SOLUTION: One pipe can fill a tank in 5 days. If Pipe A and Pipe B can fill the tank in 1.5 days. How long does it take for Pipe B alone to fill the tank?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: One pipe can fill a tank in 5 days. If Pipe A and Pipe B can fill the tank in 1.5 days. How long does it take for Pipe B alone to fill the tank?      Log On


   

Question 1096773: One pipe can fill a tank in 5 days. If Pipe A and Pipe B can fill the tank in 1.5 days. How long does it take for Pipe B alone to fill the tank?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F5%2B1%2Fx=1%2F1.5


1%2F1.5-1%2F5=1%2Fx
2%2F3-1%2F5=1%2Fx
10x-3x=15
7x=15
x=15%2F7
highlight%28x=2%261%2F7%29, pipe B, number of days alone.