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Item 17
A rectangular room is 10 feet longer than it is wide. One-foot-by-one-foot tiles cover the entire floor. Let 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. I need to simplify an equation for this!!! Help!!!
There are w tiles on each end
There are w+10 - 2 tiles along each side. (the ends are already tiled)

so, what do you think?
ur mom

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