Question

A rectangular room is 10 M long and 6 m wide find the cost of covering the floor with a carpet 2 metre wide at the rate of rupees 42 per metre?

Answer 1

area of the room=area of the carpet
10*6 m. sq.=2*length
length=60/2=30 m
cost of 1 meter carpet=42 rupees
cost of 30 meter carpet=42*30=1260 rupees
(* means multiplication)