document.write( "Question 1177750: Two pipes can fill a tank in 50 minutes if both are turned on. If only one is used, it would take 20 minutes longer for the smaller pipe to fill the tank than the larger pipe. How long will it take for the smaller pipe to fill the tank? \n" ); document.write( "
Algebra.Com's Answer #806839 by josgarithmetic(39617)\"\" \"About 
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Times for each pipe separately, x and x+20, in minutes\r
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\n" ); document.write( "Simplify and solve; x is time for the larger pipe.
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