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ivann1987 [24]
3 years ago
6

The length of a rectangle is 3 cm greater than its width. the perimeter is 25 cm. what are the dimensions of the rectangle?

Mathematics
1 answer:
slega [8]3 years ago
7 0
P = 2(L + W)
P = 25
L = W + 3
now we sub and solve
25 = 2(W + 3 + W)
25 = 2(2W + 3)
25 = 4W + 6
25 - 6 = 4W
19 = 4W
19/4 = W
4.75 = W <== width = 4.75 cm (or 4 3/4 cm)

L = W + 3
L = 4.75 + 3
L = 7.75 <== length = 7.75 cm (or 7 3/4 cm)
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