document.write( "Question 170024: Barn painting. Melanie can paint a certain barn by herself
\n" ); document.write( "in x days. Her helper Melissa can paint the same barn by
\n" ); document.write( "herself in 2x days. Write a rational expression for the fraction
\n" ); document.write( "of the barn that they complete in one day by working together. Evaluate the expression for x  5.
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Algebra.Com's Answer #125505 by ankor@dixie-net.com(22740)\"\" \"About 
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Barn painting. Melanie can paint a certain barn by herself
\n" ); document.write( "in x days. Her helper Melissa can paint the same barn by
\n" ); document.write( "herself in 2x days. Write a rational expression for the fraction
\n" ); document.write( "of the barn that they complete in one day by working together
\n" ); document.write( ":
\n" ); document.write( "Let the completed job = 1
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\n" ); document.write( "\"1%2Fx\" + \"1%2F%28%282x%29%29\" = \"%282+%2B+1%29%2F%282x%29\" = \"3%2F%282x%29\"
\n" ); document.write( ":
\n" ); document.write( "Evaluate the expression for x = 5
\n" ); document.write( ":
\n" ); document.write( "\"3%2F%28%282%2A5%29%29\" = \"3%2F10\" of the barn painted in one day
\n" ); document.write( ":
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