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Tutors Answer Your Questions about Rate-of-work-word-problems (FREE)
Question 957101: you have a 6-pint mixture of paint that is made up of equal amount of red and yellow paint. To create a certain shade of orange, you need a paint mixture that is 30% red. How many pints of yellow paint do tou need to add to the mixture?
Click here to see answer by macston(5194)  |
Question 957101: you have a 6-pint mixture of paint that is made up of equal amount of red and yellow paint. To create a certain shade of orange, you need a paint mixture that is 30% red. How many pints of yellow paint do tou need to add to the mixture?
Click here to see answer by josgarithmetic(39613) |
Question 957219: Alvin, Betty, and Charlie want to paint a living room. Alvin could paint the room in 3 hours if he worked by himself. Betty could do it in 4 hours by herself, and Charlie would take 8 hours if working by himself. If they all work together and don’t get in each other’s way, how long will the job take?
Click here to see answer by addingup(3677)  |
Question 958152: It takes 7 men 10 days to build a garage. Half way through building the garage they get some help from 3 more men and continue to work at the same rate.
a) How long will it take to FINISH OFF the garage? __________________________________
b) How long did it take to build the garage altogether? ________________________________
I tried finding how many days 1 man takes to build the garage but I do not know how to do that...
Click here to see answer by ptaylor(2198)  |
Question 958151: Please help me to solve this probblem: A tank can be filled by one pipe in 5 hours and by another pipe in 8 hours. It can be emptied by a drain pipe in 6 hours. If all three pipes are open, how long will it take to fill the tank?
Click here to see answer by ptaylor(2198)  |
Question 958318: Jon, Denny, and Ashley are taking turns washing cars at a basketball team fundraiser. Together they work for 54 minutes. Jon worked for 15 minutes. Ashley worked twice as long as Denny. How long did Ashley work for? I have taken 54 and subtracted 15 that Jon worked. It left 39 minutes I'm not sure how to finish the rest of this problem
Click here to see answer by fion6002(19) |
Question 958337: An inlet pipe on a swimming pool can be used to fill the pool in 14 hours. The drain pipe can be used to empty the pool in 15 hours. If the pool is 2/3 filled and then the inlet pipe and drain pipe are opened,how long from that time will it take to fill the pool?
Click here to see answer by josgarithmetic(39613) |
Question 958957: An inlet pipe on a swimming pool can be used to fill the pool in 21 hours. The drain pipe can be used to empty the pool in 28 hours. If the pool is 1/4 filled and then the inlet pipe and drain pipe are opened, how long from that time will it take to fill the pool?
Click here to see answer by josgarithmetic(39613) |
Question 959586: The amount A paid to a work crew varies jointly as the number of persons working N and the length of time worked t. If 5 bricklayers take 6 days to finish a certain job, how long would it take 7 bricklayers to finish a similar job requiring 4 times the number of bricks?
Round your answer to the nearest integer.
Click here to see answer by josmiceli(19441)  |
Question 959645: A sink has two faucets: one for hot water and one for cold water. The sink can be filled by a cold water faucet in 5 minutes. If both faucets are open, the sink is filled in 4 minutes. How long does it take to fill the sink with just the hot water faucet open?
Click here to see answer by josmiceli(19441)  |
Question 959641: A tour bus normally leaves for its destination at 5:00 p.m. for a 330 mile trip. This week however, the bus leaves at 5:30 p.m. To arrive on time, the driver drives 5 miles per hour faster than usual. What is the bus` usual speed?
I did my best, it was not good enough
Click here to see answer by josmiceli(19441)  |
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