SOLUTION: a rectangle is 2 centimeters longer than it is wide . if both the length and width are doubled, the area is increased by 72 square meters. find the dimensions of the original recta

Question 863121: a rectangle is 2 centimeters longer than it is wide . if both the length and width are doubled, the area is increased by 72 square meters. find the dimensions of the original rectangle.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
rectangle, x for length, y for width.
x=y+2
and area is

Double the length and width, and each is 2x and 2y. This means they are 2(y+2) and 2y.
This area is .

Area became increased by 72 square units.

You take the rest of this.
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