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Tutors Answer Your Questions about Rate-of-work-word-problems (FREE)
Question 696385: two taps A and B together fill a swimming pool i 15 days . Tap A and B are kept open for 12 days and then tap B is closed . It takes another 8 days for the swimming pool to be filled. How many days each tap require to fill the swimming pool
Click here to see answer by stanbon(75887) |
Question 696385: two taps A and B together fill a swimming pool i 15 days . Tap A and B are kept open for 12 days and then tap B is closed . It takes another 8 days for the swimming pool to be filled. How many days each tap require to fill the swimming pool
Click here to see answer by ptaylor(2198)  |
Question 696703: It takes a smaller hose twice as long to fill a certain swimming pool as it does a larger hose. It takes both hoses working together minutes to fill the pool. How long will it take the larger hose to fill the pool by itself?
Click here to see answer by Alan3354(69443)  |
Question 697146: two old machines and a new one are put to work on a contract. Each of the old ones requires twice as much time as the new one to do the job. Together, the three machines complete the work in 2 days. How long would it take each machine to do the work alone?
Click here to see answer by josmiceli(19441)  |
Question 697172: I have been struggling with this for the last hour...
Three machines are twisting pretzels. Two are old and one is new. The new machine can twist pretzels twice as fast as an old machine can. An old machine can twist the daily quota of pretzels in 20 hours. How long will it take to make the quota if the three machines are operated at the same time?
Click here to see answer by Alan3354(69443)  |
Question 697172: I have been struggling with this for the last hour...
Three machines are twisting pretzels. Two are old and one is new. The new machine can twist pretzels twice as fast as an old machine can. An old machine can twist the daily quota of pretzels in 20 hours. How long will it take to make the quota if the three machines are operated at the same time?
Click here to see answer by josmiceli(19441)  |
Question 697350: Work crews A, B and C can set up the steel structure of a building in 10 days if they work together. If they work alone, crew A would take 60 days to do the job and crew B would take 3 times long as long as crew C to do the job. How long would it take crews B, and C if each worked alone?
Click here to see answer by god2012(113)  |
Question 698702: A man travels 12 miles in 2 1/4 hours, part of the time at 9 miles per hour and rest at 3 1/2 miles per hour. how far did he travel at the faster speed?
(Topic where this question comes from is simultaneous equations)
Click here to see answer by stanbon(75887) |
Question 699176: I need help with a word problem.- A mad scientist develops a formula which can turn a light bulb into a camel.Working alone,it takes the scientist 4 hours to create one dose of formula.The mad scientist's slightly mad assistant Igor can make one dose in 12 hours.How long,working together,will it take the mad scientist and Igor to create one dose of formula? Answer the question by using a table and the 5-step method.Show a check of your work.
Click here to see answer by josmiceli(19441)  |
Question 699473: A running track 5 m wide goes around a soccer field that is twice as long as it is wide. At each end of the soccer field the track is a semi-circle with inner radius r. Find a formula for the area of the tracks in terms pi and r
Click here to see answer by DrBeeee(684) |
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