The cost of renovating a 6 m square room is N540. What is...
The cost of renovating a 6 m square room is N540. What is the cost of renovating a 9 m square room?
N1215
N720
N1620
N810
Correct answer is D
Cost of removing a 6m2 room = N540
Cost of renovating a 1m2 room = 540 / 6
Cost of removing a 9m2 room
= (540 / 6) * 9
= N810