carolinepelton carolinepelton

08-12-2019
Mathematics

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A new type of pump can drain a certain pool in 8 hours. An older pump can drain the pool in 12 hours. How long will it take both pumps working together to drain the pool.

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jnr2786 jnr2786

09-12-2019

Answer:

4

Step-by-step explanation:

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