Question

A room is 10 m long. 6 m broad and 5 m high. It has one door of dimensions 2 m by 1.5 m and
two windows each of dimensions 1 m by 1 m. Find the cost of white washing the walls at 20 per square meter ​

Answer 1

Answer:

3100

Step-by-step explanation:

Area of 4walls= 2(10+6)×5 =160

Area of door= 2×1.5=3

Area of two window=2*1*1=2

Area of white wash=160-(3+2)=155

Total cost=155*20=3100