document.write( "Question 767803: If a man takes 7 days to dig his garden and the son takes 4 days. How long would it take if they worked together? \n" ); document.write( "
Algebra.Com's Answer #467846 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
1/7 + 1/4 =1/t\r
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\n" ); document.write( "\n" ); document.write( "leads to \r
\n" ); document.write( "\n" ); document.write( "t=(4*7)/(4+7)=28/11\r
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