SOLUTION: Pipe A can fill a tank in 4 hours. If pipe B works alone it will take 3 hours longer than if both pipes worked together. How long will pipe B take if it works alone?

Question 751394: Pipe A can fill a tank in 4 hours. If pipe B works alone it will take 3 hours longer than if both pipes worked together. How long will pipe B take if it works alone?

Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
rate for A: 1/4
rate for B: 1/t
together: 1/(t-3)
therefore

then when we solve for t we get about 5.27 hrs

:)

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