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

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Question 24057: A scientist found that the number of bacteria in a culture doubled every hour. If there were 1000 bacteria at 6:00 a.m., how many bacteria were there at 10:00 a.m.?
Click here to see answer by josmiceli(19441)

Question 24078: will you please help me with this word problem. The area of a right triangle is 250in2.find the lengths of its legs if one leg is 5 inches longer than the other.
Click here to see answer by Paul(988)

Question 24162: If Leah is 6 years older than her sister, Sue, & John is 5 years older than Leah, & the total of their ages is 41. Then how old is Sue?
Click here to see answer by Paul(988)

Question 24162: If Leah is 6 years older than her sister, Sue, & John is 5 years older than Leah, & the total of their ages is 41. Then how old is Sue?
Click here to see answer by queenofit(120)

Question 24342: This word problem is kind of tough, I am trying to figure out how to do it so could you please help me figure it out? P.S- how do you find the volume of a cube?
Question:
The edge of one cube is 4cm longer that the edge of a second cube. The volumes of the cubes differ by 316 cm2. Fid the length of each cube.

--Thank You For Your Help
Click here to see answer by AnlytcPhil(1806)

Question 24360: Dear Tutor: I can show you what I have done, because I don't know where to start. I hae 14 problems like this, but maybe if you help me with one I can get the otherones.
Flaying against a heas wind, a plane, could fly 2100km in 6 h, but it would requiere only 5 h for the return trip with the wind. Find the wind speed and the air speed of the plane
Click here to see answer by Paul(988)

Question 24604: A tinsmith has two pieces of sheet metal with the same area. One is a square and the other is a rectangle 18 cm longer than the square but 9 cm less wide than the square. Find the total area of each piece of metal.
please help
Click here to see answer by Paul(988)

Question 24673: In Seattle, Washington, it rained or snowed an average of 156 days per year in the 30 years from 1961 through 1990. What was the relative frequency of a day without rain or snow?
Click here to see answer by stanbon(75887)

Question 24746: If a circle has a radius of 4.5 inches, what is the length of 1 degree of its circumference?
Click here to see answer by stanbon(75887)

Question 24856: Three computers can print out a spreadsheet for the Baldwin Accounting Firm in 12 minutes, 18 minutes, and 36 minutes. How long would it take to complete the task with all three computers working?
An athlete begins jogging at 8mph and then at 7mph, traveling a total of 10.9 miles in 1.5 hours. How long did the athlete jog at each speed?
Click here to see answer by Paul(988)

Question 24800: Please help me on this proportion.
A 60 meter steel pole is cut into two parts in the ratio of 11:4. How much longer is the longer part than the shorter?
Thank you
Click here to see answer by AnlytcPhil(1806)

Question 24997: Grace has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones. What is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?
Click here to see answer by rapaljer(4671)

Question 24901: Technology. Driving down a mountain, Tom finds that he has descended 1800ft in elevation by the time he is 3.25 mi horizontally away from the top of the mountain. Find the slope of his descent to the nearest hundredth.
Click here to see answer by Earlsdon(6294)

Question 25162: An experienced accountant can prepare a tax return in 8 hours. A novice accountant can do the job in 23 hours. How long will it take them to do the job together?
Click here to see answer by rapaljer(4671)

Question 25151: the denominator of the fraction 4/17 is increased by an amount so that the value of the resulting fraction is 2/13. Determine the amount by which the denominator wqs increased.
Click here to see answer by rapaljer(4671)

Question 25150: One number is 8 times larger than another. The sum of their reciprocals is 3/8. Determine the two numbers.

Click here to see answer by Paul(988)

Question 25612: A stamp collection consists of 5, 13, and 18 cent stamps. The number of 13 cent stamps is one less than twice the number of 5 cent stamps. The number of 18 cent stamps is five more than the number of 13 cent stamps. The total value of all stamps is $2.60. Find the number of 13 cent stamps in the collection.
Click here to see answer by Paul(988)

Question 25686: Find the exponential decay function for a radioactive material that has a half-life of 1234 years. How long will it take until only 10% of the material remains?
I'm just having a problem setting up this problem. Any help you can give will be greatly appreciated.
Click here to see answer by stanbon(75887)

Question 25703: Can you please tell me if 75.19 minutes is correct answer for the below problem? If not, how should I set it up?
The time t required to empty a tank varies inversely as the rate r of the pumping. If a pump can empty a tank in 45 minutes at a rate of 600 kL/min, how long will it take a pump to empty the same tank if its rate is 1000 kL/min?

Click here to see answer by Earlsdon(6294)

Question 25708: An express and local train leave GraysLake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train.
Click here to see answer by Paul(988)

Question 25858: 3x � 7 = 2x + 8
Click here to see answer by elima(1433)

Question 25864: �5(4x � 4) + 4(5x + 5) = x � 10
Click here to see answer by elima(1433)

Question 25851: Hey, could you please help me with this word problem. I can't figure it out. A car radiator is filled with 5L of a 25% antifreeze solution. How many liters must be drawn off and replaced by a 75% antifreeze solution to leave the radiator filled with a 55% antifreeze solution?
Thank you.
Click here to see answer by Paul(988)

Question 25878: Please help me solve this equation: How much water must be evaporated from a 300L tank of a 2% salt solution to obtain a 5% solution?
Click here to see answer by venugopalramana(3286)

Question 25877: Please help me solve this problem: How much pure antifreeze must must be added to 12L of 40% solution of antifreeze to obtain a 60% solution?
Thank you.
Click here to see answer by venugopalramana(3286)

Question 25940: pls.help me with this. a bank teller counts a certain amount of money in 20 mins, but if she is helped by another teller, they count the money in 15 mins. how long would it take the second teller to count the money alone?
Click here to see answer by Earlsdon(6294)

Question 26090: The radius is a bone in the human body that connects the elbow and the wrist. A woman with a radius 22 cm long should be about 160 cm tall, and a woman with a radius 26 cm long should be about 174 cm tall.
A. Write a linear equation relating height, y, to the length of the radius, x.
B. About how long should the radius be of a woman who is 157.5 cm tall?
Click here to see answer by stanbon(75887)

Question 26149: The paths of two ships are tracked on the same coordinate system. One ship is following a path described by the equation 2x + 3y = 6 , and the other is following a path described by the equation y = 2/3x - 6 . What are the coordinates of the collision point?
Enter your answer as an ordered pair.
Click here to see answer by josmiceli(19441)

Question 26259: Science and medicine. Celsius temperature readings can be converted to
Fahrenheit readings using the formula F= 9/5C+32. What is the Fahrenheit temperature that corresponds to each of the following Celsius temperatures: -10, 0, 15, 100?

Click here to see answer by christinaaa192(28)

Question 26267: An object drops from a cliff that is 150m high. The distance, d, in meters that the object has dropped at t seconds is modelled by d(t)=4.9t^2.
a. Find the average rate of change of distance with respect to time from 2 s to 5 s.
b. Find the rate at which the object hits the ground to the nearest tenth.
THANK YOU.
Click here to see answer by venugopalramana(3286)

Question 26407: Here is the word problem I need help with.
Adult tickets for a play cost $17 and child tickets cost $8. If there were 24 people at a performance and the theather collected $363 from ticket sales, how many children attend the play?
Thank you in advance for your help.
Click here to see answer by stanbon(75887)

Question 26448: The three most prominent buildings in a city, Washington Center, Lincoln Galleria, and Jefferson Square Tower have a total height of 1800 feet. Find the height of each building if Jefferson Square Tower is twice as tall as Lincoln Galleria and Washington Center is 200feet taller than Lincoln Galleria.
Click here to see answer by Paul(988)

Question 26257: I have no Idea how do do these can you please help my do this.
Plot points with coordinates (2, 3), (3, 4), and (4, 5) on the given graph. What do you observe? Can you give the coordinates of another point with the same property?
Click here to see answer by venugopalramana(3286)

Question 20281: The Derrys plan to retire in 15 years and expect to need $30,000. Determine how much they must invest today at 8.9% compounded quarterly to accomplish thier goal.
Click here to see answer by stanbon(75887)

Question 26501: A ball was thrown and followed a pth descibed by y= -0.02xto the second power+ x. What was the maximum height(in feet) of the thrown ball?
Click here to see answer by stanbon(75887)

Question 26517: Daniel and Gary are fishing. They each have several fishing poles, and each pole has several worms on its line. Daniel�s poles each have 6 worms on their lines. Gary�s poles each have 11 worms on their lines. Between the two of them, Daniel and Gary have 13 poles and 103 worms. How many poles does each boy have?
Click here to see answer by Paul(988)

Question 26522: Peanuts worth 2.95/kg were mixed with cashews worth 6.25/kg to produce a mixture worth 5.00/kg. How many kilograms of each kind of nut were used to make 33kg of the mixture?
Click here to see answer by Paul(988)

Question 26530: A picture frame measures 12 cm by 20 cm, and 84 cm^2 of picture shows. Find the width of the frame.
Click here to see answer by stanbon(75887)

Question 26542: I need this question answered quickly. Thanks!
In a class of 38 students, 32 are wering jeans, 21 are wearing T-shirts, and 15 are wearing both. How many students are wearing jeans and something other than a T-shirt?
Click here to see answer by venugopalramana(3286)

Question 26722: whem i subtract 6 from my favorite number, then divide the difference by 3, and finally add 12 to this result, the answer is 20. what is my favorite number?

Click here to see answer by Paul(988)

Question 26727: Could you help me with this problem?
Typical business watch patterns of change in their costs, income, and profit from operations. For example, the Palace Theater shows only second- run movies and charges a single low price of $2.50. The operating expenses for the Palace Theater are about $450 per day. If there are no other expenses or other sources of income, how could you determine the theater's daily profit?
I understand it mostly but don't really know how to solve for profit... if you could just email me the equation that would be most helpful.
Thanks,
Valerie
Click here to see answer by josmiceli(19441)

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, 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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, 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