Question

If the paint costs $1.50 per square meter, how much will she spend to cover the entire wall with paint?

Answer 1

To find the price to paint the entire wall, we just need to find the area of the wall and multiply by the price per square meter.

The area of a square is given by the product of the side length by itself. Since the measure of the side is 3 meters, the area is

`A=3^2=9`

9 m².

The unitary price per square meter is $1.50. Multiplying this value by the area, we have

`9*1.5=13.5`

It will cost $13.50 to paint the wall.