anthonybabarr anthonybabarr

26-05-2016
Mathematics

Answered

The length of a rectangle is three times longer than its width. The perimeter of the rectangle is 16 feet. If x represents the width of the rectangle, which equation can be used to find its value?

Verified Answer :

nobillionaireNobley nobillionaireNobley

30-05-2016

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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