SOLUTION: Pipe A can fill a tank 1.25 times faster than pipe B. When both pipes are opened, they fill the tank in five hours. How long would it take to fill the tank if only pipe B is used?

Question 592621: Pipe A can fill a tank 1.25 times faster than pipe B. When both pipes are opened, they
fill the tank in five hours. How long would it take to fill the tank if only pipe B is used?Pipe A can fill a tank 1.25 times faster than pipe B. When both pipes are opened, they
fill the tank in five hours. How long would it take to fill the tank if only pipe B is used?Pipe A can fill a tank 1.25 times faster than pipe B. When both pipes are opened, they
fill the tank in five hours. How long would it take to fill the tank if only pipe B is used?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Pipe A can fill a tank 1.25 times faster than pipe B. When both pipes are opened, they fill the tank in five hours. How long would it take to fill the tank if only pipe B is used?
Let x = time (hours) it takes for just pipe B
then
1.25x = time (hours) it takes for just pipe A
.
5(1/x + 1/(1.25x)) = 1
multiplying both sides by 1.25x:
5(1.25 + 1) = 1.25x
5(2.25) = 1.25x
11.25 = 1.25x
11.25/1.25 = x
9 hours = x

RELATED QUESTIONS
ONE PIPE CAN FILL A POOL 1.25 TIMES FASTER THAN ANOTHER PIPE. WHEN BOTH PIPES ARE OPENED, (answered by Alan3354)

A certain pipe can fill up a tank 2 hours faster than another pipe. It takes 3 hours for... (answered by josgarithmetic)

A certain pipe can fill up a tank 2 hours faster than onother pipe. It takes 3 hours for... (answered by ikleyn)

An inlet pipe can fill a tank in 3 hours. An outlet pipe can empty the tank in 6 hours. (answered by Alan3354)

one pipe can fill a pool 1.25 times faster than a second pipe . When both pipes are... (answered by DrBeeee)

Hello tutors please help me with this problem . One pipe can fill a pool 1.25 times... (answered by nerdybill)

The fill pipe for a tank can fill the tank in 4 hours, and the drain pipe can drain it in (answered by ankor@dixie-net.com)

Pipe A can fill a tank in 25 minutes. Pipe B can fill the same tank in 20 minutes. To... (answered by ankor@dixie-net.com)

pipe A alone can fill a tank in 8 hours. Pipe B can fill it in 6 hours. If both the... (answered by richwmiller)