Question

plz solve this sum for me

Answer 1

area of wall will be=lxb
=4.5x3.6
=16.2

area of door=lxb
=2x1
=2

area to be painted =16.2-2
=14.2

cost of painting the wall=20x14.2
=20x142/10
=2x142
=284 rupees
hope this will help you

Answer 2

area of rectangle=l*b
2m2
area of wall=l*b
16.2m2
area of wall -area of rect
16.2-2
14.2
the cost of white wahing wall=14.2*20
284