Question

How many metres of carpet 75cm wide will be required to cover the floor of a room which is 12m long and 8m wide​

Answer 1

Ares of floor = l × b

= 12×8

= 96 m square

Area of carpet = area of room

THEREFORE,

Area of carpet = l × b

96 = l × .75 cm( 1m = 100cm)

l = 96÷.75

l= 128cm Answer

Also , 128cm = 1m 28cm or 1.28m .......

Hence, 1.28mlong carpet will be required ...