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10 February, 13:50

A rectangle's length is 3 cm more than twice its width. If the perimeter is 48 cm, what is the

rectangle's area?

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  1. 10 February, 14:16
    0
    119 square centimeters.

    Step-by-step explanation:

    Write the problem as an equation.

    2 (2x+3) + 2x=48

    Where x is width of the rectangle. 2x+3 represents the length.

    4x+6+2x=48

    6x+6=48

    6x=42

    x=7

    The width is 7 cm. Then, find the length.

    (2x+3) Given

    (2) (7) + 3 Plug in 7 for x

    14+3

    17

    Then, find the area, width*length

    17*7=119
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