SOLUTION: A faucet can fill the sink in 3 minutes. A 2nd faucet can fill the same sink in 6 minutes. The drain leaks so that it empties the sink in 4 minutes. If the drain is closed and the
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Question 377340: A faucet can fill the sink in 3 minutes. A 2nd faucet can fill the same sink in 6 minutes. The drain leaks so that it empties the sink in 4 minutes. If the drain is closed and the 2 faucets are open how long will it take to fill the sink?
Found 2 solutions by robertb, richwmiller:
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
,
x = 2 hours.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Since the drain leaks even when closed we have
1/3+1/6-1/4=1/x
4/12+2/12-3/12=1/x
3/12=1/x
1/4=1/x
x=4 minutes
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