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4 years ago

11

The length of a rectangle is three times longer than its width. The perimeter of the rectangle is 16 feet. If x represents the w

idth of the rectangle, which equation can be used to find its value?

1 answer:

Sladkaya [172]4 years ago

5 0

L = 3x
perimeter = 2(l + w) = 2(3x + x) = 2(4x) = 8x = 16
x = 16/8 = 2 feet
l = 3x = 3 * 2 = 6 feet

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