Solved

A Water Faucet Can Fill a Sink in 10 Minutes

Question 163

Multiple Choice

A water faucet can fill a sink in 10 minutes, whereas the drain can empty it in 8 minutes. If the sink is full, how long will it take to empty if both the faucet and the drain are open?


A) 10 minutes
B) 80 minutes
C) 40 minutes
D) 18 minutes
E) 9 minutes

Correct Answer:

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