document.write( "Question 1139732: Ronald can shovel the driveway in 6 hours, but if his brother Donald helps it would take 3 hours. How long, in hours and minutes, would it take Donald to shovel the driveway alone? \n" ); document.write( "
Algebra.Com's Answer #760227 by josgarithmetic(39617)\"\" \"About 
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\"1%2F6%2B1%2Fd=1%2F3\"\r
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\n" ); document.write( "\n" ); document.write( "\"1%2Fd=1%2F3-1%2F6\"\r
\n" ); document.write( "\n" ); document.write( "\"1%2Fd=2%2F6-1%2F6=1%2F6\"\r
\n" ); document.write( "\n" ); document.write( "\"d=6\"\r
\n" ); document.write( "\n" ); document.write( "Also notice the amounts of time given. The two brothers together take half the time as either working alone. Both each work at one job in 6 hours.
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