document.write( "Question 820270: Zork can shovel a certain driveway in 50 minutes. If Dork can shovel the same driveway in 20 minutes, working together they can both shovel the driveway in how many minutes? \n" ); document.write( "
Algebra.Com's Answer #495222 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
1/50+1/20=1/x
\n" ); document.write( "2/100+5/100=1/x
\n" ); document.write( "7/100=1/x
\n" ); document.write( "100/7=x\r
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