# The number of square tiles needed to tile a square floor is equal to #a^2 -: b^2#, where #a# is the floor length in inches and #b# is the length of the tile in inches. If #a = 96# and #b =8#, how many tiles are needed?

##### 2 Answers

May 17, 2018

144

#### Explanation:

No. of square tiles needed =

So, if

No. of square tiles needed =

May 17, 2018

#### Explanation:

Area of floor is

area of each tile is

Hence, number of tiles needed are

=

=

=