SOLUTION: Two hoses fill a pool in 2 hours. If only hose A is used, the pool is filled in 3 hours. How long would it take if only hose B is used?

Question 632007: Two hoses fill a pool in 2 hours. If only hose A is used, the pool is filled in 3 hours. How long would it take if only hose B is used?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Two hoses fill a pool in 2 hours. If only hose A is used, the pool is filled in 3 hours. How long would it take if only hose B is used?
.
Let x = time (hours) it takes for hose B alone
then
2(1/3 + 1/x) = 1
multiplying both sides by 3x:
2(x+ 3) = 3x
2x+ 6 = 3x
6 hours = x
.
answer: 6 hours
RELATED QUESTIONS
Two hoses together fill a pool in 2 h. If only hose A is used, the pool fills in 3 h. How (answered by w_parminder)

Two hoses together fill a pool in 2h. If only hose A is used, the pool fills in 3h. How... (answered by nerdybill)

At their summer cottage, the Roberts have a wading pool that can be filled in 24 minutes (answered by ikleyn)

This is a practice GRE question from a Kaplan helpsite. I believe the answer is wrong,... (answered by stanbon,Theo)

A swimming pool can be filled with three different hoses. The first hose takes 4 hours to (answered by mananth)

When the water is turned on and passes through a small hose, a pool can be filled in 6... (answered by solver91311)

Two hoses, when connected to a swimming pool,can fill the pool together in 4 hours. If... (answered by ankor@dixie-net.com)

hello please help me to solve this,thankyou!! two hoses, when connected to a swimming... (answered by MathLover1,josgarithmetic,MathTherapy)

With water from one hose, a swimming pool can be filled in 9 hours. A second, larger hose (answered by josmiceli)