The perimeter of a rectangular is 86 m. If the width were doubled and the length were increased by 22 m, the perimeter would be
166 m. What are the length and width of the rectangle?
1 answer:
Write them as system of equations:
x=length, y=width
2x+2y=86
4x+2y+22=166
when you solve, then x=length=7, y=width=36
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