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A tank holds 100 gallons of water. Its i...

A tank holds 100 gallons of water. Its inlet is 7 inches in diameter and fills the tank at 5 gallons/min. The outlet of the tank is twice the diameter of the inlet. How many minutes will it take to empty the tank if the inlet is shut off, when the tank is full and the outlet is opened?

A

7.14 min

B

10.0 min

C

0.7 min

D

5.0 min

Text Solution

Verified by Experts

The correct Answer is:
B
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