britbrat4290
MEDALS ...A flat rectangular piece of aluminum has a perimeter of 70 inches. The length is 11 inches longer than the width. Find the width.



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ivettef365
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formula is P = 2L + 2W

britbrat4290
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24 thank u!

britbrat4290
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lol well thats not a answer guess 23

britbrat4290
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not a selection

britbrat4290
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so weird ... its multiple choice

ivettef365
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Oh, ok, it saids that L = w + 11

ivettef365
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ok, so it should be
70 = 2(w+11) + 2w

ivettef365
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now you can solve for w, my mistake thought L equals 11

britbrat4290
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so 23 u got also?

ivettef365
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70 = 2(w+11) + 2w
70 = 2w + 22 + 2w
70 22 = 4w
48 = 4w
w = 48/4
w = 12

ivettef365
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so L = 12 + 11 = 23
W = 12
23 + 23 + 12 + 12 = 70 true

britbrat4290
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ty for ur time

ivettef365
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yw :)