SOLUTION: a pool is filled by one pipe in 10 hours. The same pool is filled by another pipe in 6 hours. How many hours would it take to fill the pool with both pipes turned on?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: a pool is filled by one pipe in 10 hours. The same pool is filled by another pipe in 6 hours. How many hours would it take to fill the pool with both pipes turned on?      Log On


   

Question 305167: a pool is filled by one pipe in 10 hours. The same pool is filled by another pipe in 6 hours. How many hours would it take to fill the pool with both pipes turned on?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x/10+x/6=1
3x+5x==30
8x=30
x=30/8=15/4=3.75 hrs
30/8/10+30/8/6=1
3/8+5/8=1