SOLUTION: The length of a rectangle is 10m less than 3 times the width. If its width were increased by 20m and its length decreased by 15m. Its new area would be 175 sq. More than the origin

Question 1066554: The length of a rectangle is 10m less than 3 times the width. If its width were increased by 20m and its length decreased by 15m. Its new area would be 175 sq. More than the original. Find the dimentions of the rectangle.
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
Original rectangle
Width w
Length L

Area,

New rectangle
Width
Length
Area,

Simplify this and solve for w...
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