The perimeter of a rectangle is 68 inches. The perimeter equals twice the length of L inches, plus twice the width of 9 inches.

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03-03-2015
Mathematics

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The perimeter of a rectangle is 68 inches. The perimeter equals twice the length of L inches, plus twice the width of 9 inches.

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Аноним Аноним · Answer 1 · 2015-03-03T20:52:28+01:00

Аноним Аноним

03-03-2015

P=68

P=2L+2(9)

-----------------

Therefore:

2L+2(9)=68

2L+18=68

2L=68-18

2L=50

L=50/2

L=25

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So the length is equal to 25 inches.

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Аноним Аноним · Answer 2 · 2015-03-04T00:10:16+01:00

Аноним Аноним

04-03-2015

p = 68

p = 2l + 2 * 9

SO

2l + 2* 9 = 68

2l + 18 = 68

2l = 68 -18

2l = 50

l = 50 / 2

l = 25

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