Question

find the cost of papering the four walls of a room 16 metre long12metre broad and 8metre high with paper 2 m wide at rs 50 per metre

Answer 1

Wouldn't you have a total area of 4 walls there are 4 walls with 2 walls having area =8*12 and another 2 walls having area=16*8so u have to calculate the total area of 4 walls