Questions on Word Problems: Rate of work, PAINTING, Pool Filling answered by real tutors!

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Question 966872: ed rode his bike for 2 more hours than ann rode hers. ed traveled 24 miles, and ann traveled 6 miles. if they both rode at the same speed, for what length of time did ed ride his bike

Click here to see answer by ankor@dixie-net.com(22740)

Question 966937: in a computer game room there is a mechanical grasshopper in a glasscage. The grasshopper is placed 42 inches from the door of the cage. each time the button is pressed, the grasshopper jumps one-third the remaining distance to the door. after how may jumps does the grasshopper reach the door?
how far does the grasshopper travel after the fifth jump?
how far from the door is the grasshopper after the third jump?
Click here to see answer by Theo(13342)

Question 967173: twelve students can finish a jigsaw puzzle in 2 hours. how long will it takes for 24 student to finish the same task?

Click here to see answer by amarjeeth123(569)

Question 967173: twelve students can finish a jigsaw puzzle in 2 hours. how long will it takes for 24 student to finish the same task?

Click here to see answer by tenkun(12)

Question 967173: twelve students can finish a jigsaw puzzle in 2 hours. how long will it takes for 24 student to finish the same task?

Click here to see answer by MathTherapy(10549)

Question 967025: how many jobs can you complete in 60 minutes if it takes you 21.75 minutes to complete each job?
Click here to see answer by KMST(5328)

Question 967284: How do I divide 21hours and 15 minutes into 30days
Click here to see answer by ankor@dixie-net.com(22740)

Question 967499: Three eighths is how much
Click here to see answer by checkley77(12844)

Question 967592: (a) 30% of what number is 18? (b) 45% of what number is 135?
Click here to see answer by stanbon(75887)

Question 967593: y is inversely proportional to x. y=30 when x=5.
(a) Find the constant of proportionality.
(b) Determine the value of y when x=15.
Click here to see answer by stanbon(75887)

Question 967591: Compute (a) 18% of 90, (b) 30% of 600.
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Question 967591: Compute (a) 18% of 90, (b) 30% of 600.
Click here to see answer by MathLover1(20849)

Question 967600: It takes 20 workers a total of 30 days to pave a highway. How many days would it take 15 workers to do the same job?
Click here to see answer by josgarithmetic(39613)

Question 967600: It takes 20 workers a total of 30 days to pave a highway. How many days would it take 15 workers to do the same job?
Click here to see answer by askhari139(3)

Question 967664: Two painters josh and Bose can paint the four walls of a room together in 6 hours whose walls are 3m high and whose floor area is 4m by 8m. Josh is a more careful painter and so does about a fifth less the amount of work that Bose does. If Bose works on his own on the next job, how much time will it take him if the next job is a 1200 m^2 of painting work?
Click here to see answer by Theo(13342)

Question 967746: andrew can paint the neighbor's house 2 times as fast as bailey. The year andrew and bailey worked together, it took them 1 day. How long would it take each to paint the house
Click here to see answer by josgarithmetic(39613)

Question 967915: Working together, Juan and Tom can mow the lawn in 45 minutes. working alone, Tom takes 17 minutes longer to mow the lawn than Juan would take working alone.
How long would it take Juan , working alone, to mow the lawn? Round to the nearest minute
Click here to see answer by josgarithmetic(39613)

Question 967946: Ted the mechanic charged one customer $565 for 4 hours of work. The next
day, he charged another customer $1,210 for 9 hours of work. A new customer
came in and Ted worked on his car for 7 hours. What did he charge him?
Click here to see answer by macston(5194)

Question 967944: If 9 painters can paint a house in 5 hours, how many painters are needed to do the same job in only 3 hours?
Click here to see answer by josmiceli(19441)

Question 967825: If you can paint a fence in 3 hours, and your friend can paint the same fence in 2 hours, how long will it take if you worked together?
Click here to see answer by ankor@dixie-net.com(22740)

Question 968465: two pipes working together, can fill a tank in 20 minutes. working alone. the smaller pipe takes 42 minutes longer than the larger pipe to fill the tank. how long would it take the smaller pipe alone to fill the tank?
Click here to see answer by josmiceli(19441)

Question 968623: Julie and Eric row their boat( at a constant speed) 63 miles downstream for 7 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 9 hours. Find the rate of the current.
Click here to see answer by lwsshak3(11628)

Question 968712: The HCF and LCM of two positive
integers are 35 and 385 respectively.
If one of the integers is 77, what is
the other integer?
Click here to see answer by Edwin McCravy(20054)

Question 968900: If David finish a roof in 9 hours and Kevin finish a roof in 6 hours.how long would it take if they work together?
Click here to see answer by ankor@dixie-net.com(22740)

Question 968961: To complete a work A takes 50%
more time than B. If together they
take 18 days to complete tile work.
How much time shall B take to do it
alone?
Click here to see answer by amarjeeth123(569)

Question 968964: if 6 men take 18 days to complete the hauling jobs how many days would be required to complete this task if three additional men were hired?
Click here to see answer by amarjeeth123(569)

Question 968957: Two pipes fill a storage tank in 9 hours. The larger pipe fills the tank three times as fast as the smaller one. How long would it take the larger pipe to fill the tank alone?
Click here to see answer by dkppathak(439)

Question 968996: It takes one pipe 4 hours more to empty a pool than it takes another pipe to fill the pool. If both pipes are accidentally left open, it takes 24 hours to fill the pool. How long does it take a single pipe to fill the pool?
Click here to see answer by lwsshak3(11628)

Question 969037: If it takes 72 minutes for 7 people to paint 8 walls, how long will it take 9 people to paint 5 walls?
Click here to see answer by ankor@dixie-net.com(22740)

Question 969351: Jill decides to move her fish from a 20 gallon aquarium to a 50 gallon aquarium. She added 3 tablespoons of salt to her old aquarium. If she wishes to maintain to same salinity level, how many tablespoons should she add to her new aquarium? Please show how you got the answer.
Click here to see answer by josmiceli(19441)

Question 969356: An elf in Santa�s Workshop can typically build two giant robot toys a week. If the elf works year-round, how many giant robot toys is he likely to produce in one year? please explain
A. 24 giant robot toys
B. 26 giant robot toys
C. 52 giant robot toys
D. 96 giant robot toys
104 giant robot toys
Click here to see answer by stanbon(75887)

Question 969360: 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. Which of the following statements must also be true? please explain
A. Jane�s number is less than -4.
B. Jane�s number is greater than -4.
C. Jane�s number is greater than 2.
D. Jane�s number is less than -2.
E. Jane�s number is 0.
Click here to see answer by Boreal(15235)

Question 969354: A man can paint a room, working alone, in 5 hours. His wife can do the same job in 4 hours. How long will it take them to paint the room if they work together?
Click here to see answer by solver91311(24713)

Question 969391: It takes Bill 2hours longer to do a certain job than it takes Cindy . They worked together for two hours, then Cindy left and bill finished the job in 1hour. How long would it take each of them to do the job alone
Click here to see answer by josgarithmetic(39613)

Question 969353:
Mike asks Billy to help him run his lemonade stand. He�ll either pay him 2/5 of � of the stand�s profits, or 1/3 of � of the stand�s profits. Which should Billy choose to maximize the amount he will earn, and by what amount will his earnings be increased?
A. Billy should choose 1/3 of �; he�ll earn 1/15 more.
B. Billy should choose 1/3 of �; he�ll earn 1/20 more.
C. Billy should choose 2/5 of �; he�ll earn 1/15 more.
D. Billy should choose 2/5 of �; he�ll earn 1/20 more.
E. It doesn�t matter; either way, Billy will earn exactly the same amount.
Please sure me how you get the answer
Click here to see answer by checkley77(12844)

Question 969494: If one can of dog food feeds eight puppies or six dogs, then eight can of the same dog food will feed 40 puppies and how many dogs?
Click here to see answer by josmiceli(19441)

Question 969588: The time required for the examinees to solve the same problem differs by two minutes. Together they can solve 32 problems in one hour. How long will it take for the slower problem solver to solve a problem?
Click here to see answer by ankor@dixie-net.com(22740)

Question 969796: It takes 5 builders 48 days to build a house. How long would it take to build if there were only 3 builders?

Click here to see answer by Edwin McCravy(20054)

Question 969836: Andrew can paint a fence in 7 hours and Diana can paint the same fence in 4 hours. How long would it take if Andrew and Diana work together? ( round answer to the nearest tenth and label)
Click here to see answer by ptaylor(2198)

Question 969961: the officejet printer can copy lisa's dissertation in 16 min. the laserjet printer can copy the same document in 18 min. if the two machines work together , how long would they take to copy the dissertation?
Click here to see answer by lwsshak3(11628)

Question 968164: 4 men can dig a piece of land in 8 hours,how many men should be added to dig the same piece of land in 2 hours?
Click here to see answer by AnlytcPhil(1806)

Question 970189: Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours. Together they charged a total of $2625. What was the rate charged per hour by each mechanic if the sum of the two rates was $160 per hour?
Click here to see answer by josgarithmetic(39613)

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