Question

jaisudha plans to tile her bedroom floor with pink square tiles. Each side of the tile is 12cm. Her bedroom is 320 cm in length and 170cm wide. How many tiles will she need?

Answer 1

area of 1 tile = sxs
                     = 12x12
                     = 144cm2

are of bedroom = lxb
                         = 320x170
                         = 54400

no. of tiles required = 54400/144
                                approx. 377 tiles