coolnaima24 coolnaima24

29-04-2018
Mathematics

contestada

A rectangle has a perimeter of 24 units. The length of the rectangle is 2 times 3 less than the width. What is the width of the rectangle?

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aroshiayub aroshiayub

29-04-2018

5 units

2x + 2y = 24

y = (2x-3)

2x + 2(2x-3) = 24
2x + 4x - 6 = 24
6x = 30
x = 5
y =7

so the width should = 5

(and the length = 7)

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