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2 August, 02:31

Item 12

A rectangular room is 10 feet longer than it is wide. One-foot-by-one-foot tiles cover the entire floor. Let

w

w

represent the width (in feet) of the room. Write an expression in simplest form that represents the number of tiles along the outside of the room.

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Answers (1)
  1. 2 August, 06:30
    0
    If the width is w, and the length is w+10, then the perimeter is

    2w+2 (w+10),

    If that is the case you need

    4w+20-4, or 4w+16 tiles
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