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8 February, 10:53

The area of a rectangular room is 750 square feet. The width of the room is 5 feet less than the length of the room. Which equations can be used to solve for y, the length of the room?

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  1. 8 February, 13:15
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    The formula for the area of any rectangle is:

    Area=Length x Width

    750=y (y-5)

    750=y square-5y

    Rotate this equation.

    y square-5y=750

    y square-5y=750

    Let's factorize:

    y (y-5) = 750

    Two potentially true values of y can be y=750 or y=750-5=745

    y=745 ft. Answer.
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