Answer:
Width: 4
Length: 9
Explanation:
P = 2( l + w)
26 = 2(2x + 1 + x)
26 = 2(3x + 1)
26 = 6x + 2
6x = 24
x = 4
l = 2x + 1
2(4) + 1 = 9
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