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Today at 3:41 PM
Mathematics

Answered

A 400 gallon swimming pool is being drained. After three hours, 250 gallons have been drained. If the rate of drainage continues, how long will it take to drain the pool?
A.1.875 hours
B. 4.8 hours
C. 5.2 Hours
D. 33,333.33 hours

Answer :

Today at 3:47 PM

If you would like to know how long will it take to drain the pool, you can calculate this using the following steps:

3 hours ... 250 gallons
x hours = ? ... 150 gallons (= 400 - 250)

3 * 150 = 250 * x
x = 3 * 150 / 250
x = 1.8 hours

3 hours + 1.8 hours = 4.8 hours

The correct result would be B. 4.8 hours.

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