document.write( "Question 1129099: It takes the hot water faucet 4 times as long to fill a bathtub as it does the cold water faucet. Left on together, the cold and hot water faucets take 3 minutes to fill the tub. How long will it take the cold water faucet to fill the tub by itself? \n" ); document.write( "
Algebra.Com's Answer #745639 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
x, minutes for cold water faucet to fill tub
\n" ); document.write( "4x, minutes for hot water faucet to fill tub\r
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\n" ); document.write( "\n" ); document.write( "\"1%2Fx%2B1%2F%284x%29=1%2F3\"\r
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\n" ); document.write( "\n" ); document.write( "\"12x%281%2Fx%2B1%2F%284x%29%29=12%281%2F3%29x\"\r
\n" ); document.write( "\n" ); document.write( "\"12%2B3=4x\"\r
\n" ); document.write( "\n" ); document.write( "\"15=4x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=15%2F4\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=3%263%2F4%29\"\r
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\n" ); document.write( "\n" ); document.write( "--
\n" ); document.write( "check:
\n" ); document.write( "\"1%2F%2815%2F4%29%2B1%2F%284%2815%2F4%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"4%2F15%2B1%2F15\"\r
\n" ); document.write( "\n" ); document.write( "\"5%2F15\"\r
\n" ); document.write( "\n" ); document.write( "\"1%2F3\"
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