SOLUTION: if the smaller dimension of a rectangular is increased by 3 feet and the larger dimension by 5 feet, one dimension becomes 3/5 of the other, and the area is increased by 135 square

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Question 1146307: if the smaller dimension of a rectangular is increased by 3 feet and the larger dimension by 5 feet, one dimension becomes 3/5 of the other, and the area is increased by 135 square feet. find the original dimensions
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
12 and 20

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Dimensions x and y
New rectangle: system%28%28x%2B3%29%2F%28y%2B5%29=3%2F5%2C%28x%2B3%29%28y%2B5%29-xy=135%29
Simplify and solve the system.