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Est. 1998 — 27 years of woodworking knowledge

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Filling your pool

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Filling your pool

#1

Peter Martin

A pump can fill your pool in 10 hours. Another pump can fill it in 15 hours. How long would it take if both pumps work together?

Re: Filling your pool

Solution #2

Visman 

1    1    3    2    5    1
-- + -- = -- + -- = -- = -
10   15   30   30   30   6

6 hours

Re: Filling your pool

#3

Peter Martin

@Visman, We have a winner! :)

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