Question

a a wall is 4.5 M long length 2 metre Hai full stop find the cost of whitewashing on both sides if the cost of whitewashing is 7.50 per square metre ​

Answer 1

write full question

I do not understand

Answer 2

length of wall = 4.5m

breadth of wall = 2 m

area = l*b

= 4.5*2

= 9.0 m²

cost of whitewashing at the rate of 7.50 per square meter = 7.50 * 9

= 67.5 rupees