document.write( "Question 280398: Jack usually mows his lawn in 3 hours. Jill can mow the same yard in 4 hours. How much time would it take for them to mow the yard together? \n" ); document.write( "
Algebra.Com's Answer #221853 by J.A.Romero(2)\"\" \"About 
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x/3+x/4=1Job
\n" ); document.write( "LCD=3*4=12
\n" ); document.write( "4x+3x=12
\n" ); document.write( "7x=12
\n" ); document.write( "12/7=x
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