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One pipe can fill a pool in 6 hours. The second pipe can drain the pool in 18 hours. How long will it take to fill the pool if both pipes are working?

One pipe can fill a pool in 6 hours. The second pipe can drain the pool in 18 hours. How long will it take to fill the pool if both pipes are working?
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4 votes
One pipe can fill a pool in 6 hours. The second pipe can drain the pool in 18 hours. How long will it take to fill the pool if both pipes are working?

User Rohin
by
8.2k points

2 Answers

5 votes

Answer:

x=9

Explanation:

User Donkim
by
8.5k points
3 votes

one pipe 6 hours fill

two pipe 6 ÷2= 3 hours

User Wang Ruiqi
by
8.6k points
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