# SOLUTION: One pipe can fill a tank in 40 hours, while a second pipe can fill the same tank in 32 hours. How long would it take both pipes working together to fill the tank?

Algebra ->  Algebra  -> Rate-of-work-word-problems -> SOLUTION: One pipe can fill a tank in 40 hours, while a second pipe can fill the same tank in 32 hours. How long would it take both pipes working together to fill the tank?      Log On

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 Click here to see ALL problems on Rate-of-work-word-problems Question 459485: One pipe can fill a tank in 40 hours, while a second pipe can fill the same tank in 32 hours. How long would it take both pipes working together to fill the tank?Found 2 solutions by solver91311, richwmiller:Answer by solver91311(16868)   (Show Source): You can put this solution on YOUR website! If A can do a job in x time periods, then A can do of the job in 1 time period. Likewise, if B can do the same job in y time periods, then B can do of the job in 1 time period. So, working together, they can do of the job in 1 time period. Therefore, they can do the whole job in: time periods. John My calculator said it, I believe it, that settles it Answer by richwmiller(9132)   (Show Source): You can put this solution on YOUR website!x/40+x/32=1 x/5+x/4=8 4x+5x=160 9x=160 x=160/9