Question

the length of a wall is 9m.Its breadth is 5 m.If it costs $5 to paint the 1m² of the wall,how much will it cost to paint the whole wall?

Answer 1

Answer:

Answer is ₹ 225.

Step-by-step explanation:

Area of rectangle = l x b

= 9 x 5

= 45 square metre

Cost of painting 1 square metre = ₹ 5

Then,

Cost of painting 45 square metre = 45 x 5

= 225 ₹

Answer 2

Answer:

225$

Step-by-step explanation:

length of the wall = 9m

breadth of the wall = 5m

Therefore, Area of the wall = length x breadth

= 9m x 5m

= 45m^2

Cost to paint 1m^2 of the wall = 5$

Cost to paint 45m^2 of the wall = 45 x 5 =225