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.

Question

Kosmo

5 November, 11:34

+5

Answers (1)

Know the Answer?

Rafael Cole · Answer 1

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

Item 12A rectangular room is 10 feet longer than it is wide. One-foot-by-one-foot tiles cover the entire floor. Letwwrepresent 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.