If an apprentice can do a piece of work in 24 days, and apprentice and instructor together can do it in 6 days, how long would it take the instructor to do the work alone?.How long would it take both pipes together to fill the tank?įor Questions 9 to 20, find and solve the equation describing the relationship. A cistern can be filled by one pipe in 20 minutes and by another in 30 minutes.How long would it take them to do the work together? Raj can do a piece of work in 4 days and Rubi can do it in half the time.How long will it take them to do it working together? Working alone, Maryam can do a piece of work in 3 days that Noor can do in 4 days and Elana can do in 5 days.How long would it take each to do the job working alone? Working together, they can do the job in 3 hours. Working alone, it takes John 8 hours longer than Carlos to do a job.If Yousef can do a piece of work alone in 6 days, and Bridgit can do it alone in 4 days, how long will it take the two to complete the job working together?.How much time would each require if they worked alone? The two working together can complete the job in 1.2 hours.
Jack can wash and wax the family car in one hour less than it would take Bob.If only the larger pipe is open, how many hours are required to fill the pool? When both pipes are open, the pool is filled in three hours and forty-five minutes. Of two inlet pipes, the smaller pipe takes four hours longer than the larger pipe to fill a pool.How much time would each require working alone? Working together, they can complete the job in 2 hours and 24 minutes. Bill’s father can paint a room in 2 hours less than it would take Bill to paint it.
The 7 minutes to drain will be subtracted.ġ7.5 min or 17 min 30 sec is the solution Questionsįor Questions 1 to 8, write the formula defining the relation. If both the pipe and the drain are open, how long will it take to fill the sink?
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A sink can be filled by a pipe in 5 minutes, but it takes 7 minutes to drain a full sink.
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