Length = x
width = 2x
perimeter = 138in
in order to find perimeter you add length and width twice, so;
2(2x + x) = 138
2(3x) = 138
6x = 138
x = 23
since x = 23;
the length is 23in and the width is 46in
Answer:
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Step-by-step explanation:
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Step-by-step explanation:
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Step-by-step explanation:
