A tailor trims 4 feet from opposite edges of a square piece of cloth, and 3 feet from the other two edges. If 120 square feet of cloth remain, what was the length of a side of the original piece of cloth?
Options
A) 18	B) 20	C) 24	D) 26	E) 40
Let the original side of the square be x.   (x-8)*(x-6) = 120 = 10*12   x = 18   The answer is 18.
<result>A</result>
A tailor trims 4 feet from opposite edges of a square piece of cloth, and 3 feet from the other two edges. If 120 square feet of cloth remain, what was the length of a side of the original piece of cloth?