Mr.Snider Is Tiling A Floor .The Floor Is 16 Tiles Long And 9 Tiles Wide. The Center Sección Is 12 Tiles Long And 5 Tiles Wide. How Many Tiles Aré In The Border Section .?

Answer 1

(16 * 9) - (12 * 5) = ?

144 - 60 = _________ border tiles

Answer 2

84

Answer 3

Thanks!