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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.

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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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.

User Tom Hamilton Stubber
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8.5k points

1 Answer

2 votes

Answer:

4

Explanation:

User Rilindo
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