1 answer:
Answer:
D. 12 feet
Step-by-step explanation:
Perimeter of a rectangle = 2(L+W)
Where L is length and W is the width.
Given
perimeter = 82 feet
Length is 5 more than 2w
That’s L = 5 + 2w
Now substitute 5 + 2w for L in the formula above
We have
82 = 2 ( 5 + 2w + w)
Simplify the bracket
82 = 2(5 + 3w)
Distribute 2 into (5 + 3w)
82 = 2 x 5 + 2 x 3w
82 = 10 + 6w
Subtract 10 from both sides
82 - 10 = 10 - 10 + 6w
72 = 6w
Divide both sides by 6
72/6 = 6w/6
12 = w
W = 12 feet
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Step-by-step explanation:
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