document.write( "Question 890804: A sink has two faucets: one for hot water and one for cold water. The sink can be filled by a cold water faucet in 5 minutes. If both faucets are open, the sink is filled in 3 minutes. How long does it take to fill the sink with just the hot water faucet open? \n" ); document.write( "
Algebra.Com's Answer #539280 by FrankM(1040)\"\" \"About 
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Say the sink has a 15 gal capacity. The cold water runs 3gal/minute.
\n" ); document.write( "If the sink is filled in 3 minutes, it's filling at 5 gals per minute, therefore the hot water runs at 2 gal/minute.
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