SOLUTION: Suppose that the length of a certain rectangle is three times its width. If the length is decreased by 4 inches and the width increased by 1 inch, the newly formed rectangle has a
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Question 297365: Suppose that the length of a certain rectangle is three times its width. If the length is decreased by 4 inches and the width increased by 1 inch, the newly formed rectangle has an area of 40 square inches. Find the length and width of the original rectangle.
x+y*3 x-4 y+1 = 40 ?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
area=L*W
L=3W
(L-4)*(W+1)=40
L=12 W=4
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