SOLUTION: One hose can fill a goldfish pond in 45 minutes. Using two different hoses together, the same pond can be filled in 20 minutes. How long would it take to fill the pond using only

Question 200414: One hose can fill a goldfish pond in 45 minutes. Using two different hoses together, the same pond can be filled in 20 minutes. How long would it take to fill the pond using only the second hose?
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
One hose can do per minute.
Both together can do per minute
Let x be the time for the second hose. Then that hose can do per minute

36 minutes
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