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The width of a rectangle is represented by 5 + 2y. The length is twice as long as the width. What is the perimeter of the rectangle? Give all correct answers

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  1. Today, 12:58
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    The answer is 12y+30.

    Twice the width would be 10+4y, so the length is 10+4y.

    To find the perimeter, we can do 2 (5+2y) + 2 (10+4y).

    That equals 10+4y+20+8y.

    Which, equals 12y+30.
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