Question

Pls solve this i will mark as brainlist

Answer 1

Step-by-step explanation:

area area of the wall= l×b = 4.5 ×3.6 = 16.20m

area of the door = l×b = 2×1 = 2m

area of the wall need to be polished = 16.20-2= 14.20

cost of polishing 14.20m = 14.20×20= 284