Question

The price of paint is rupees 120 per kilogram. A kilogram paint covers 25 square feet of the area. How much will it cost to paint the inner walls and ceiling of a square room of 10 feet length?​

Answer 1

Answer:

Rs. 2400

Step-by-step explanation:

• total surface area to paint is 4a^2+a^2=5a^2
• 5 * 10^2 = 500 feet square
• now total kilogram of paint use is 500/25 = 20 kilo
• cost is 20 * 120 = 2400 rupees
• hope it helps