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One hose can fill a small swimming pool in 35 minutes. A larger hose can fill the pool in 45 minutes. How long will it take the two hoses to fill the pool working together? Do not do any rounding. minutes
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42 votes
42 votes
One hose can fill a small swimming pool in 35 minutes. A larger hose can fill the pool in 45 minutes. How long will it take the two hoses to fill the pool working

together?
Do not do any rounding.
minutes
?

User JSArrakis
by
2.8k points

1 Answer

22 votes
22 votes

Answer:

  • 19.6875 minutes

Explanation:

Find the required time:

  • 1 / (1/35 + 1/45) =
  • 1 / (9 + 7)/(9*35) =
  • 315/16 =
  • 19.6875 minutes

User Jerome Diaz
by
3.1k points
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