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

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Question 982491: 1.5x=-105
Click here to see answer by Fombitz(32388)

Question 982496: Hi, here's my question:
Charlie rows at a constant speed downstream in the river from Amaroo to Bradden in 3 hours and back upstream in 4 hours. Assume the river flows at a constant rate. Find the number of hours it would take a piece of driftwood to float downstream from Amaroo to Bradden.
Thank you so so much for your help! :D
Click here to see answer by josmiceli(19441)

Question 981895: After taking 5 quizzes your average is 72 out of 100. What must your average score be on the next 5 quizzes to increase your average to 79. Write an equation and solve.\
Please explain how to do this
Thank you.
Click here to see answer by Fombitz(32388)

Question 982567: It takes 12 minutes to set up a candy making machine. Once the machine is set up, it produces 15 candies per minute. ONLY write an inequality that can be used to find the number of candies that can be produced in 7 hours if the machine has not yet been set up.

Click here to see answer by macston(5194)

Question 982506: A vegetable gardener has a tilled a piece of soil that measures 6 yards by 12 yards. She wants to put a border of marigolds of the same width within the four sides and leave an area of 40 square yards for vegetables. How wide can the border be?
Click here to see answer by macston(5194)

Question 982494: Hi, here's my question:
Charlie rows at a constant speed downstream in the river from Amaroo to Bradden in 3 hours and back upstream in 4 hours. Assume the river flows at a constant rate. Let the river's flowing rate be xkm/hr and Charlie's rowing speed (km/hr) be y km/hr, express y in terms of x.
Please include an understandable explanation and thank you so so much! :)
Click here to see answer by macston(5194)

Question 982493: find the width of a rectangle if the perimeter is 84ft and length is 30ft
Click here to see answer by macston(5194)

Question 982601: 1.5x=-105
Click here to see answer by mananth(16946)

Question 982600: the perimeter of a rectangle is 66 yds. the length of a rectangle is five more than three times the width. what is the length of the rectangle?
Click here to see answer by mananth(16946)

Question 982620: translate and solve: seven subtracted from double a number is fifteen. find the number
Click here to see answer by ikleyn(52754)

Question 982610: "A man is walking away from a 5m tall streetlight at a rate of 2m/s. If the man is 2m tall, how fast is his shadow lengthening when he is 2m away from the streetlight? When he is 6m away?"
Okay so I understand that I would want to make a graph and get tangents to get rate of change on his shadow for 2m and 6m (the section in the book I have is all stuff like this right now) I just do not understand how to draw a graph from this information... Any help please?
Click here to see answer by jim_thompson5910(35256)

Question 982618: solve: -9x-15=-12
Click here to see answer by ikleyn(52754)

Question 982617: translate and solve: six less than a number is negative eighteen. find the number
Click here to see answer by ikleyn(52754)

Question 982607: translate and solve: twice the sum of a number and eleven is seven less than the number
Click here to see answer by ikleyn(52754)

Question 982627: A number is increased by 20% and then decreased by 20%. the final value of the number is ??
Click here to see answer by macston(5194)

Question 982622: A rock is thrown from the top of a tall building. The distance, in feet, between the rock and the ground t seconds after it is thrown is given by d=-16t^2-2t+733. How long after the rock is thrown is it 400 feet from the ground?
Click here to see answer by macston(5194)

Question 982621: simplify: -9(8x-5)-(x+4)
Click here to see answer by macston(5194)

Question 982629: if p^2-q^2 = 48 and p-q = 12. What is the average of p and q
Click here to see answer by mananth(16946)

Question 982615: solve: -12y-21=11y+32
Click here to see answer by macston(5194)

Question 982626: what is the set of all prime numbers from 60 to 80 ?
Click here to see answer by macston(5194)

Question 982651: solve: -3(2x-7)+5=-2(4x+3)
Click here to see answer by Cromlix(4381)

Question 982602: find the area of a triangle in which the base is 8ft and height is 9ft
Click here to see answer by Fombitz(32388)

Question 982625: how many multiples of 9 can be found which are less then 9999 and are perfect cubes ?
Click here to see answer by Fombitz(32388)

Question 982599: a rectangle swimming pool has a length of 15ft, width of 13ft and is 7ft deep. how much water will the swimming pool hold?
Click here to see answer by Fombitz(32388)

Question 982663: A letter is chosen at at random from the first half of the english 26 letter alphabet.
a) State the sample space?
b) Calculate;
i) P(consonant)
ii) P(b)
iii) P(a,b,c or d)
iv) P(y)
v) P(vowel or consonant)
vi) P(m or n)
Click here to see answer by Fombitz(32388)

Question 982649: solve: -2/3y-3/5=-4
Click here to see answer by Fombitz(32388)

Question 982631: if 81^10= 3^x-7 then value of x is ?
Click here to see answer by Fombitz(32388)

Question 982650: simplify: -2/3(6x+9)-3/4(8x-4)
Click here to see answer by Cromlix(4381)

Question 982611: Alicia is planning on putting a fence around a circular swimming pool. if the pool has a diameter of 12ft. how much fencing will she need?
Click here to see answer by Cromlix(4381)

Question 982616: simplify: 8x^3-15x^2+21x-15x^2-11x^3
Click here to see answer by Cromlix(4381)

Question 982604: in one hour, Lori and Craig earn a combined total of $54. Craig earns six less than four times the amount that Lori earns in one hour. How much did Craig earn in one hour?
Click here to see answer by Cromlix(4381)

Question 982664: Either chris or David is to be given a prize in mathematics.
Chris has double the chance of David.
Using algebraic equations find davids chance of getting the prize?
Click here to see answer by rothauserc(4718)

Question 982628: Five years ago , the average of P and Q was 15 years . Average age of P, Q, and R today is 20 years . how old will R be after 10 years
Click here to see answer by ankor@dixie-net.com(22740)

Question 982836: Ling invested some money at 5% interest. Ling also invested $196 more than 3 times that amount at 11%. How much is invested at each rate if Ling receives $1005.76 in interest after one year? (Round to two decimal places if necessary.)
Click here to see answer by ankor@dixie-net.com(22740)

Question 982891: A school policy requires that there be at least one chaperone for every 8 students on a field trip. How many chaperones are required for a field trip with 67 students?
Click here to see answer by rfer(16322)

Question 982892: Trevor jogs once every 3 days and swims once every 4 days. How often does he jog and swim on the same day?
Click here to see answer by stanbon(75887)

Question 982900: Seven students did a difficult test and six of their results are 4, 4, 5, 5, 5, 6.
Workout the score of the seventh student ;
i) If the mean is equal to the median?
ii)If the mean is greater than 6.
Click here to see answer by macston(5194)

Question 982930: 1.A total of 15 students will be coming to the end-of-the-year picnic. In how many ways can the teacher select 6 students for the clean-up crew?
a)362,880 ways
b)3,603,600 ways
c)5005 ways
d)90 ways
2.Hal�s sister is 5 years older than Hal. The product of their ages is 456. How old are Hal and his sister?
a. Hal is 12, his sister is 38
b. Hal is 15, his sister is 20
c. Hal is 19, his sister is 24
d. Hal is 11, his sister is 16
3.The lengths of the sides of a right triangle are x, x + 4, and x + 8 inches. What is the value of x?
a. x = 12
b. x = 10
c. x = 11
d. x = 13
4.Youcanapproximatethespeedofafallingobjectasv=8 d,wherevisthespeedinfeet per second and d is the distance, in feet, the object has fallen. Express d in terms of v.
a. d = v^2/8
b. d = v^2/64
c. d = v/64
d. d = v
Can you Help me,please

Click here to see answer by Timnewman(323)

Question 982932: At the local grocery store, lemons are 52 cents each and limes are 21 cents each. How many lemons and limes can you buy for exactly $3.75?
Click here to see answer by Edwin McCravy(20054)

Question 983005: The Chess Club sold 2,116 pizzas during a fundraiser that lasted for all of March,April,and May. How many pizzas did they sell per day?
Click here to see answer by solver91311(24713)

Question 983008: Find a pattern in the list of numbers.Then find the next number in the list.
1860,1890,1920,1950,1980
Click here to see answer by josgarithmetic(39613)

Question 983011: Find the pattern in the list of numbers.Then find the next number in the list .
1024,256,64,16,4
Click here to see answer by solver91311(24713)

Question 983022: In January,Tate's fish tank had 12 guppies. In Febuary,it had 18,and in March it had 24. How many guppies do you expect to be in Tate's fish tank in May?
Click here to see answer by stanbon(75887)

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, 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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