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3 years ago

9

Need help! Can someone help, thanks

2 answers:

ki77a [65]3 years ago

6 0

I believe the length is 18 and the width is 3.

Shalnov [3]3 years ago

5 0

The length is 18ft and the width is 3ft.

How to get this answer?

The length = 6*W
Perimeter = 42 ft

Formulas:
Perimeter = 2Length + 2Width

42ft = 2L + 2W
We know the length is 6W so replace that with L.

42ft = 2(6W) + 2W
42ft = 12W + 2W
42ft = 14W
W = 3ft
L= W*6 = 3*6 = 18ft

Check it with formula:

P = 2L + 2W
2(18) + 2(6) = 42ft, so it is correct.

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4 years ago