document.write( "Question 403158: There are 310 pounds on the left plate of a scale and 230 pounds on the right plate. Suppose that you must balance the scale by removing 8 pound bags from the left plate and exactly the same number of 4 pound bags from the right plate. How many bags must you remove from each side in order to balance the scale? \n" ); document.write( "
Algebra.Com's Answer #285108 by scott8148(6628)\"\" \"About 
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the weight difference is 80 lb (310-230)\r
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\n" ); document.write( "\n" ); document.write( "each bag removal changes the difference by 4 lb (8-4)\r
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\n" ); document.write( "\n" ); document.write( "number of bags to remove ___ 80 / 4 = 20
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