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3 October, 12:43

A rectangle has a length of 2x + 7 and a width of 3x + 8y. Write and simplify an expression for the perimeter of that rectangle.

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  1. 3 October, 13:03
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    A rectangle has four sides so we double each side and add them to each other:

    2 (2x+7) + 2 (3x+8y)

    =4x+14+6x+16y

    =10x+16y+14
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