document.write( "Question 136881: Jack and Jill sat at the ends of an 18 foot long seesaw where the fulcrum was placed in the middle of the board. By placing a 20 pound weight 3 feet in front of Jill,they were in balance.If Jack weighs 140 pounds,which equation could be used to determine Jill's weight(x)in pounds? \n" ); document.write( "
Algebra.Com's Answer #100189 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! x(9)+20(9-3)=140(9) \n" ); document.write( " |