24-09-2018
Mathematics

contestada

A flat rectangular piece of aluminum has a perimeter of 60 inches. The length is 14 inches longer than the width. Find the width.

Respuesta :

24-09-2018

p = 60
l = w + 14

60 = 2(w+14) + 2w
60 = 2w + 28 + 2w
60 = 4w + 28
32 = 4w
width = 8 inches

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