Question

With water from one hose, a swimming pool can be filled in 8 hrs. A second, larger hose used alone can fill the pool in 5 hrs. How long would it take to fill the pool if both hoses were used simultaneously?

Answer 1

Hint:

Solve

1/8 + 1/5 = 1/t

for t

Answer 2

got it

Answer 3

what answer did you get

Answer 4

40/13 hrs

Answer 5

which can be converted to the mixed number 3 1/13 hours

This in decimal form is 3.07692 hours (roughly)

Answer 6

All answers are equivalent (it will depend on how your book wants the answer)

Answer 7

My book says 40/13

Answer 8

alright, nvm that last post then