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Vlad [161]
3 years ago
5

The perimeter of a rectangle is 68 ft.

Mathematics
1 answer:
inessss [21]3 years ago
5 0
Let the length be 9x and the width = 8x
Perimeter = 2(l + w) = 2(9x + 8x) = 2(17x) = 34x = 68
x = 68/34 = 2
9x = 9(2) = 18 ft
8x = 8(2) = 16 ft
Therefore, dimensions are 18 ft by 16ft
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Let's plug in (18,10) into each answer choice until we find the one that has it as a solution.

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Your answer is A.

I'll just do the rest to show that you the they are incorrect.

B) x + y = 18
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D) x - y = -28
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