document.write( "Question 1121249: One pipe can empty a tank 2.5 faster than another pipe. Starting with a full tank, if both pipes are turned on, it takes 7.5 hours to empty the tank. How long does it take for the faster pipe working alone to empty a full tank? \n" ); document.write( "
Algebra.Com's Answer #737085 by Alan3354(69443)\"\" \"About 
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2 answers, but...
\n" ); document.write( "2.5 times faster = 3.5 times as fast.
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