Question

Find the cost of painting a wall of length 80 m and breadth 15 m at the rate of $ 4 per sq. m. ( A ) 5,200(B)4,800 ( C ) 6,400(D)4,980

Answer 1

Answer:

(B) 4,800

Step-by-step explanation:

Length = 80 m

Breadth = 15 m

.°. Area = 80 × 15

= 1200m²

.° Area of the wall = 1200m²

Now, Cost of Painting per sq. m = $ 4

Total cost of Painting = 4 × 1200

= 4800

.°. Total cost of painting = $ 4800

 Hence, Opt. b) $ 4800

Answer 2

Step-by-step explanation:

4800 is the correct answer