document.write( "Question 81833: barn painting
\n" ); document.write( "melanie can paint a certain barn by herself in x days her helper melissa can paint the same barn by herself in 2x days writeeeee a rational expression for the fraction of the barn that they complete in one day by working together. Evaluate the expreession for x=5
\n" ); document.write( "I realluy struggle with these word problem \n" ); document.write( "
Algebra.Com's Answer #58619 by stanbon(75887)\"\" \"About 
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melanie can paint a certain barn by herself in x days her helper melissa can paint the same barn by herself in 2x days writeeeee a rational expression for the fraction of the barn that they complete in one day by working together. Evaluate the expreession for x=5
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\n" ); document.write( "Melanie DATA:
\n" ); document.write( "Time = x days/job ; Rate = 1/x job/day
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\n" ); document.write( "Melissa DATA:
\n" ); document.write( "Time = 2x days/job ; Rate = 1/2x job/day
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\n" ); document.write( "Together data:
\n" ); document.write( "Rate = 1/x + 1/2x = (3/2x) job/day
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\n" ); document.write( "For x=5: In x=5 they together will do (3/10) job/day
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
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