SOLUTION: warren,dindo, and ermer were assigned to paint the tennis court.painting alone, warren can do it in 6 hours,dindo in 10 hours and ermer in 15 hours.how long would it take them to f

Question 481420: warren,dindo, and ermer were assigned to paint the tennis court.painting alone, warren can do it in 6 hours,dindo in 10 hours and ermer in 15 hours.how long would it take them to finish painting the tennis court together?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add their rates of working.
Warren's rate is: ( 1 tennis court ) / ( 6 hrs)
Dindo's rate is: ( 1 tennis court ) / ( 10 hrs )
Ermer's rate is: ( 1 tennis court ) / ( 15 hrs )
Let = the time in hours for all 3 painting together
to finish 1 tennis court.
--------------------

Multiply both sides by

It will take all 3 working together 3 hrs to paint 1 tennis court
RELATED QUESTIONS
Tom and Vivian are painting their house. If Tome were to work alone, it would take him 8... (answered by amarjeeth123,ramkikk66)

Vernon, Joshua, and Dino are painting a house. Working together they can paint the house... (answered by ikleyn,greenestamps)

Romy can paint a car in 8 hours. Robert can paint the same car in 6 hours. They start to... (answered by checkley71)

shabbir can paint a shed in 5 hours working alone, whereas rehan can paint it in 6... (answered by Theo)

a father and a son working together can finish painting a room in 6 hours. working alone, (answered by josmiceli)

Tom and john together can paint a room in 2 hours. If tom is painting the room alone, he... (answered by ankor@dixie-net.com)

Pat and Jane want to paint a fence, pat can paint the fence by himself in 3 hours, jane... (answered by richwmiller,josmiceli)

It takes Ralph 6 hours to paint a fence. Lisa can do the same job in 10 hours. If Ralph... (answered by josmiceli)

Warren invests $1000 in stock that earns 6% annually.How many years will it take him to... (answered by solver91311)