SOLUTION: the area of a rectangular lot, 80.0 m x 100 m, is increased by 4000 m^2. if the length and the width are increased by the same amount, what are the dimensions of the large lot?

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Question 950911: the area of a rectangular lot, 80.0 m x 100 m, is increased by 4000 m^2. if the length and the width are increased by the same amount, what are the dimensions of the large lot?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x, the same amount added to each dimension

%2880%2Bx%29%28100%2Bx%29=4000%2B%2880%2A100%29

The right side shows the quantity increase added to the original area.
The left side shows the two increased dimensions forming the area product.