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Diano4ka-milaya [45]

3 years ago

7

Working together, two pumps can drain a certain pool in 3 hours. If it takes the older pump 9 hours to drain the pool by itself,

how
long will it take the newer pump to drain the pool on its own?
Do not do any rounding.

1 answer:

omeli [17]3 years ago

4 0

Not too sure but try 18 sorry if it does not help

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