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The length of a rectangle is 3 feet more than twice the breath Find the breath if the perimeter is 30ft?
Wiki User
∙ 14y ago
Let l be the length and b be the breath. l = 2b + 3 Perimeter = 30
2[l + b] = 30
2[(2b +3) +b] = 30
2(3b + 3) = 30
3b + 3 = 15
3b = 12
b = 4
The breath of the rectangle is 4 ft.
Wiki User
∙ 14y ago
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