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1 vote
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?

2 Answers

3 votes
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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8.8k points
3 votes
30-10= 20 hours if they work together
User Subhasis
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8.7k points

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