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One pipe can fill a pool in 10 hours. Another pipe can fill the pool in 30 hours. How long would it take them to fill the pool if they were working together?
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One pipe can fill a pool in 10 hours. Another pipe can fill the pool in 30 hours. How long would it take them to fill the pool if they were working together?

User Xxxvodnikxxx
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2 Answers

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probably 3 hours. it will be a much shorter amount of time than 30 or 10. do divide. 30 by 10 you get 3 hours. hope this helps :)
User Khaleed
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6.3k points
3 votes
30-10= 20 hours if they work together
User Subhasis
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6.7k points
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