SOLUTION: the length of rectangular lot is three times its width.If the length is increased by 5 feet and the width is decreased by 2 feet, the area of the lot is decreased by 21 square feet

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Question 898178: the length of rectangular lot is three times its width.If the length is increased by 5 feet and the width is decreased by 2 feet, the area of the lot is decreased by 21 square feet. Find the dimension.
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
w and L for dimensions.
Original lot, , meaning A for area is

Rectangle of specified new dimensions,
L+5 and w-2;
The area is

Description indicates
AND


STEPS TO SOLVE



substitute according to given L versus w




Get the value of L from that:




Original rectangle is dimensions L=33 and w=11.
You can evaluate dimensions of the newer rectangle if desired.

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