Question

A room is 13.6 m long and 6.4 wide its flour has to be paved with square marble tiles of side 80 cm. How many tiles will be required

Answer 1

area of floor = lb

= 13.6*6.4

= 87.04m²

in cm². = 870400cm²

tiles. needed= 870400/80*80

= 136 tikes