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one pipe can fill a pool in 10 hours. another pipe can fill the same pool in 30 hours. how long would it take to fill the pool if both pipes were used at the same time?
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one pipe can fill a pool in 10 hours. another pipe can fill the same pool in 30 hours. how long would it take to fill the pool if both pipes were used at the same time?

User Rdbisme
by
8.5k points

1 Answer

7 votes

Answer:

7,5 hours

Explanation:

1/10+1/30=2/15

User Basic
by
8.6k points
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