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12 February, 00:41

A patio floor is shaped like a rectangle with a width of w cm and a length of 21 ft. Find an expression that represents the area of the floor.

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Answers (2)
  1. 12 February, 02:01
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    The answer would be: 21w ft^2
  2. 12 February, 02:58
    0
    The formula for area of a rectangle is length*width.

    For this question,

    width = w cm

    length = 21 ft

    The first step would be to get the length and width to be the same measurement.

    1 ft = 30.48 cm

    So you could change both into centimeters.

    width = w cm

    length = 21 * 30.48 = 640.08 cm

    So the expression for the area of the floor would be:

    w (640.08)
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