Mr.Snider is tiling a floor.The floor is 16 tiles long and 9 tiles wide.The center section is tiles12 tiles long and 5 tiles wide. How many tilesate in the border section?

Answer 1

9-5 = 4 along sides for entire length of floor so 4 *16 for sides

ends are 16-12 = 4 by 5 = 20

4*16 + 20 = 84