document.write( "Question 763080: 6) Joe can complete his yard work in 3 hours. If his son helps it will only take 2 hours working together. How long would the yard work take if is son was working alone?
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Algebra.Com's Answer #464923 by Cromlix(4381)\"\" \"About 
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1/3 + 1/x = 1/2 Rates
\n" ); document.write( "1/x = 1/2 - 1/3
\n" ); document.write( "Common denominator = 6x
\n" ); document.write( "6 = 3x - 2x
\n" ); document.write( "6 = x
\n" ); document.write( "So, the son would take 6hrs
\n" ); document.write( "to do yard work.
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