Question

Sandra buys tiles for her bathroom walls. Each tile is a square with sides 15cm.

a. Calculate the area of one tile
b. She wishes to cover an area of 108,900cm^2. How many tiles does she need?
c. There are 36 tiles in each box, and only whole boxes can be purchased. How many boxes does Sandra need to buy?​

Answer 1

A. Area is 15cm x 15cm = 225cm is the area of 1 tile.

B. She will need 484 tiles

C. She will need to purchase 14 boxes

Explanation: