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mina [271]
3 years ago
9

The length of a rectangular mailing label is

Mathematics
1 answer:
trasher [3.6K]3 years ago
3 0
P = 2(L + W)
P = 22
L = 2W - 4

22 = 2(2W - 4 + W)
22 = 2(3W - 4)
22 = 6W - 8
22 + 8 = 6W
30 = 6W
30/6 = W
5 = W.....width is 5 cm

L = 2W - 4
L = 2(5) - 4
L = 10 - 4
L = 6....length is 6 cm
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