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) 18 minutes
D) 40 minutes
E) 9 minutes

Question

Quizplus · Accepted Answer

The Answer of 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) 18 minutes
D) 40 minutes
E) 9 minutes

A Water Faucet Can Fill a Sink in 10 Minutes