Question

A room has two windows each measuring 1m by 1.5 and a door measuring 2m by 1m.The walls are 3m by 3m each. Find the cost of painting inner surface of the wall at sh.325 per square metres

Answer 1

surface to be painted:

3*3 -2(1*1.5) - 2*1 = 9-3-2=4m²

painting cost:

4*3.25=13sh

Explanation: