SOLUTION: At their summer cottage, the Roberts have a wading
pool that can be filled in 24 minutes by using 2 hoses. If
only the larger hose is used, it takes 40 minutes to fill the
pool.
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-> SOLUTION: At their summer cottage, the Roberts have a wading
pool that can be filled in 24 minutes by using 2 hoses. If
only the larger hose is used, it takes 40 minutes to fill the
pool.
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Question 1163868: At their summer cottage, the Roberts have a wading
pool that can be filled in 24 minutes by using 2 hoses. If
only the larger hose is used, it takes 40 minutes to fill the
pool. How long would it take to fill the pool using only
the smaller hose? Answer by ikleyn(52797) (Show Source):
From the combined filling rate, which is of the pool volume per minute,
subtract the filling rate of the larger hose, which is of the pool volume per minute.
You will get then the filling rate of the smaller hose
- = = =
of the pool volume per minute.
It means that the smaller hose will fill the pool in 60 minutes. ANSWER
