Algebra

After watching hours of those home improvement shows, you decide you want to paint you bedroom. You don’t want to paint all four walls the same color (how boring!), but instead, you want to paint one wall a different color. The electric orange paint you’ve chosen for the "special" wall is more expensive, and you’re on a budget, so you need to know the area of the wall so you can buy the smallest amount of paint possible. You know that the height of the wall is half the length. You also know that the perimeter of the rectangular wall is 48 feet. What is the area of the wall?

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  1. height = h.
    Length = 2h.

    2*h+2*2h = 48
    h = 8 Ft. .
    2h = 16 Ft.
    A = h * 2h = 8*16 = 128 Ft^2.

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