alonso032499 alonso032499

26-06-2017
Mathematics

contestada

The length of a rectangle is 6 inches more than 4times the width. The perimeter is
142inches. Find the length and the width.

Respuesta :

texaschic101 texaschic101

26-06-2017

P = 2(L + W)
P = 142
L = 4W + 6

142 = 2(4W + 6 + W)
142 = 2(5W + 6)
142 = 10W + 12
142 - 12 = 10W
130 = 10W
130/10 = W
13 = W <=== width

L = 4W + 6
L = 4(13) + 6
L = 52 + 6
L = 58 <== length

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