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2 September, 12:05

The width of a rectangle is represented by 5 + 2y the lingth is twice as long as the width. What is the perimeter of the rectangle? Select all correct expressions

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  1. 2 September, 12:09
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    30+12y

    Step-by-step explanation:

    width=5+2y

    length is twice its width

    so 2 (5+2y) = 10+4y

    perimeter=L+W+L+W

    =2 (L+W)

    Therefore 2 (5+2y+10+4y)

    10+4y+20+8y

    collect the like terms together

    10+20+4y+8y

    30+12y

    so the answer=30+8y
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