document.write( "Question 1154636: It takes a man 5 hours to wash and wax the family car. If his teenage son helps him, it only takes 1 hour. How long would it take the son, working alone, to wash and wax the car? \n" ); document.write( "
Algebra.Com's Answer #777101 by josgarithmetic(39616)\"\" \"About 
You can put this solution on YOUR website!
u, the time for the son alone\r
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\n" ); document.write( "\n" ); document.write( "\"1%2F5%2B1%2Fu=1\"\r
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\n" ); document.write( "\n" ); document.write( "\"1-1%2F5=1%2Fu\"
\n" ); document.write( "\"5%2F5-1%2F5=1%2Fu\"
\n" ); document.write( "\"4%2F5=1%2Fu\"
\n" ); document.write( "\"u=5%2F4\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28u=1%261%2F4%29\"\"hour\"
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