neishathurman neishathurman

22-12-2017
Mathematics

contestada

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?

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nineex5 nineex5

22-12-2017

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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