Question

The floor of a room is to be covered with tiles .the dimensions of the floor are 6m×6m .the floor is covered with 360 tiles of cream colour and240tiles of brown.find dimensions of browntiles.if dimensions of crems tiles is 20×20cm.

Answer 1

Step-by-step explanation:

area of floor =6×6=36m sq

36m sq =360000cm sq

area of 1 cream tile =20×20=400cm sq

area of 360 cream tiles= 360 ×400

=144000cm sq

area covered by 240 brown tiles = 360000-144000

= 216000

area of 1 brown tile = 216000÷240= 900cm sq