Questions on Word Problems: Miscellaneous Word Problems answered by real tutors!

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Question 769985: Factor. Find the GFC
80x^8y^7-72x^5y^5-24x^2y^2
Click here to see answer by Alan3354(69443)

Question 770021: Bob's weight is double that of joe and their combined weight is 225 lbs. Bob weighs________?
Click here to see answer by stanbon(75887)

Question 770019: A race car is traveling 40 km/hour faster than another on a race track. While the faster car travels 70 km, the second travels 60 km. find the speed of the faster car in km/hr.
Click here to see answer by josgarithmetic(39613)

Question 770124: solve the given system of equations
2x-18y=4
7x+3y=3
Click here to see answer by stanbon(75887)

Question 770136: A photo measuring 5 inches by 7 inches is placed in a frame that adds a 1 inch border around the photo.
What is the total width and length of the frame?
Click here to see answer by Cromlix(4381)

Question 770253: if green mean time (GMT) is 6 a.m., what is the time at a place located 30 degree east longtitude?
Click here to see answer by ramkikk66(644)

Question 770350: to verify whether a course in research methodology improved performance,a similar test was given to 12 participants before and after the course,the original marks and after the course marks are given below: original marks- 44 40 61 52 32 44 70 41 67 72 53 72. marks after the course- 53 38 69 57 46 39 73 48 73 74 60 78. Was the course useful?consider these 12 participants as a sample from a population.
Click here to see answer by Edwin McCravy(20054)

Question 770366: An aeroplane descended 150m from an altitude of 650 m and than ascended 830m immediately. At what altitude was the aeroplane flying?
Click here to see answer by Alan3354(69443)

Question 770369: A farmer uses of his field for growing rice and of the remaining field for growing tomatoes. How much field is left for growing spinach?
Click here to see answer by Alan3354(69443)

Question 770320: Find the smallest number such that if 35 is subtracted from that number the result is exactly divisible by 12, 18, 20, 21, 28 and 30. What is the product of the digits of that number?
Click here to see answer by josgarithmetic(39613)

Question 770515: 20 randomly selected statistics students were given 15 multiple choice questions and 15 open ended questions-all on the same material. The professor was interested in determining which type of questions the students scored higher. This experiment is an example of:
A)a one sample test of means
B)a two sample test of means
C)a paired t-test
D)a test of proportions
Click here to see answer by oscargut(2103)

Question 770620: All about 1/16 of the students enrolled at a particular elementary school participated in an activity. If a total of 405 students were involved in the evening's activities, how many students attend the school?
Click here to see answer by stanbon(75887)

Question 770912: A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
Click here to see answer by josmiceli(19441)

Question 770917: A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B dad to leave and A alone completed the remaining work. The whole work was completed in_____.
Click here to see answer by josmiceli(19441)

Question 770920: A and B ca do a job together in 7 days. A is 3/14 times as efficient as B. The same job can be done by A alone in ________.
Click here to see answer by josmiceli(19441)

Question 771049: Radioactive Decay. The amount of radioactive material, in grams, present after t days is modeled by A(t)=6000e^-.05t
(A)Find the amount present after 12 days
(B)Find the half-life of the material
Click here to see answer by josgarithmetic(39613)

Question 771318: A vendor has six jugs of punch with capacities of 13, 15, 16, 21, 21, and 22 gallons. One jug, which he keeps for himself, is full of blue punch. The other five jugs are full of red punch. Without opening any of the jugs, he sells 1/3 of the red punch to Randy and the remaining 2/3 of the red punch to Lisa. How many gallons of the blue punch did he keep for himself?
Click here to see answer by josmiceli(19441)

Question 771581: The sum of three numbers is 107 . The third number is 7 less than the first . The second number is 2 times the third. What are the numbers?
Click here to see answer by Cromlix(4381)

Question 771584: If the gym is located 11 miles away from Dayan�s house and the juice bar is located 6 miles away from the gym, which of the following conclusions must be true?
Click here to see answer by Alan3354(69443)

Question 771655: a baseball team has home games on wednesday and sunday. The two games together earned $4994.50. Wednesdays game generated $1330.50 less than Sunday game. How much was taken at each game?
Click here to see answer by algebrahouse.com(1659)

Question 771585: Jane is thinking of a number between -10 and 10. If you multiply Jane�s number by -2, then subtract 2, the result is greater than 6. Is Jane's number greater than -4 or less than -4?
Click here to see answer by KMST(5328)

Question 771753: A cell phone text plan offers 200 minutes for 3cents and another offers 400 minutes for 5 cents. What is the difference between the two plans?
A. 3 cents
B. 5 cents
C. $3
D.$5
Click here to see answer by oscargut(2103)

Question 771778: If x units of a product cost c dollars to manufacture and earn revenue of r dollars, the value of x where the expressions of c and r are equal is called the break-even quantity, the number of units that produce zero profit. Find break-even
quantity if c=13x + 20000 and r=15x
Click here to see answer by Edwin McCravy(20054)

Question 771780: A store mixes Kenyan coffee worth $10.00 per kilogram and Venezuelan coffee worth $13.00 per kilogram. The mixture is to sell for $12.00 per kilogram. Find how much of each should be used to make a 492 kilogram mixture.
Click here to see answer by josgarithmetic(39613)

Question 771783: Salem and Vernonville are 128 miles apart. A car leaves Salem traveling towards Vernonville, and another car leaves Vernonville at the same time, traveling towards Salem. The car leaving Salem averages 10 mph more than the other, and they meet after 1 hour and 36 minutes. What are the average speeds of the cars?
Click here to see answer by josmiceli(19441)

Question 771806: The price for each package of paper of type A, including taxes, is $3 and the price for each package of paper of type B, including taxes, is $4. What is the greatest number of packages of paper a person can buy with exactly $65 ?
Click here to see answer by josgarithmetic(39613)

Question 772404: (A) How many times must a die be thrown to be sure that the same number occurs twice?
(B) How many times must two dice be thrown to be sure that the same total score occurs at least six times?
(C) How many times must n dice be sure that the same total score occurs p times?
Click here to see answer by oscargut(2103)

Question 772405: Mr and Mrs Wombat live in a house in which the floor of every room is a square and covered with identical square titles. Mrs Wombat�s room contains 101 titles more than Mr Wombat�s room. How many titles does Mrs Wombat�s room contain?
Click here to see answer by solver91311(24713)

Question 772532: Please help me to solve this:An airplane flying with the wind took 2hours for a 1000 mile flight, and 2 1/2 hours for the return flight. Find the wind velocity and the speed of the airplane in still air.
Thank you so much
Click here to see answer by Alan3354(69443)

Question 772576: Jack thinks of a number. When he rounds the number to the nearest hundred it is 400. When he rounds the number to the nearest ten it is 380. What might the number be?
Click here to see answer by KMST(5328)

Question 772734: 1/5 of Tom's height is equal to 1/3 of Jerry's height. If their total height is 320 cm, what is Jerry's height?

Click here to see answer by Cromlix(4381)

Question 772734: 1/5 of Tom's height is equal to 1/3 of Jerry's height. If their total height is 320 cm, what is Jerry's height?

Click here to see answer by MathLover1(20849)

Question 772784: have two quarters and one penny. what fraction of the coins are quarters?
Click here to see answer by malglu(63)

Question 772746: Six students each try to guess the number of pennies in a jar. The six guesses are 52, 59, 62, 65, 49, and 42. One guess is 12 away, and the other guesses are 1, 4, 6, 9, and 11 away. How many pennies are in the jar? --- So far I know there are 53 pennies in the jar, but I'm not exactly sure how to explain how I figured that out.
Click here to see answer by htmentor(1343)

Question 772600: Marys back yard has a fence around it that measures 234 feet 3 inches. Approximately how many feet does the yard have?
Click here to see answer by ankor@dixie-net.com(22740)

Question 772284: There are eight chess sets. The least expensive is $5 and the most is$196. The price of the third is equal to the price of the first and second sets combined. The price of the fourth set equals the price of the second and third sets combined. The price of the fifth, sixth, seventh, and eighth sets also follow this rule. Each one equals the sum of the prices of the two previous.
I think it is 5+x=y?
Click here to see answer by Edwin McCravy(20054)

Question 773210: Ok, so i have done this problem twice (two different ways) and i have gotten two different answers in doing so.
Here is the word problem:
Five times a number decreased by 18 minus 4 times the same number is -36.
I tried: 5x-(18-4x)=-36 and got x=-2
But ive also tried: 5x-18-4x=-36 and got x=-18.
So as you can see I'm confused on which way is the correct way.
Click here to see answer by Edwin McCravy(20054)

Question 773243: a man runs diagonally across from one corner of a rectangle field 80m by 60m to the opposite corner in a straight line at a speed of 9 m per second. find the time taken for him to complete the run
Click here to see answer by ramkikk66(644)

Question 773471: If the radius of a circle is decreased by 2 meters, the area of the circle is decreased by 80 pie m squared. what is the radius of the original circle?
Click here to see answer by lwsshak3(11628)

Question 773627: Hello, I've had trouble solving this word problem..."At the ocean it is known that the tide follows a trigonometric path. At high tide, the water comes in to a point 1 meter from where I placed the flag. At low tide, the water comes in to a point 11 meters from the same flag. The time it takes from to get from high tide to low tide is 5 hours. It is now midnight and it is high tide.
a) State a possible equation for this motion.
b) We want to wake up and go to the beach when we can set up our towels at a time between 10 a.m. and 2 p.m. the next day when the water will be 4 meters from our flag. At what time will this be?"
I've figured out that the low tide is the maximum and the high tide is the minimum but I don't know how to proceed...Help?
Click here to see answer by Alan3354(69443)

Question 773780: The area of a rectangle is 160 square inches. The length is four less than three times the width. Find the dimensions of the rectangle. (Show this algebraically...including quadratic.)
Click here to see answer by Cromlix(4381)

Question 773975: i have word problem:
In 2003, the number of federal hazardous waste sites in california was 5 less than twice the number of sites in Washington. How many hazardous waste sites were in Washington if there were 25 such sites in California?
Click here to see answer by rothauserc(4718)

Question 774135: How could you find the number of different arrangements of 6 letters in a computer password?
Click here to see answer by Alan3354(69443)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690