# Algebra

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An inlet pipe on a swimming pool can be used to fill the pool in 24 hours. The drain pipe can be used to empty the pool in 40 hours. If the pool is one-third filled and then the drain pipe is accidentally opened, how long will it take to fill the pool?
___________ hours

• Algebra -

225

• Algebra -

40 hours

• Algebra -

40 hour

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