SOLUTION: One hose can fill a goldfish pond in 45 minutes, and two hoses can fill the same pond in 20 minutes. How long does it take the second hose alone to fill the pond?

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Question 372422: One hose can fill a goldfish pond in 45 minutes, and two hoses can fill the same pond in 20 minutes. How long does it take the second hose alone to fill the pond?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
1/45 + 1/x = 1/20

Solving for x, I got 36 minutes.

I hope this helps.