Question

You buy painting supplies for $12, and you charge $3 per person to paint faces. how many faces will you need to paint to earn $15 in profit?

Answer 1

Investment = $12

For $15 profit, I have to earn, 12+15 = $27

Charge for 1 person(for paint faces) = 3

multiply by 9,

9 persons= $27

So, 9 person is the answer.

Answer 2

You need to paint 9 faces to earn $15 in profit.

Explanation:

Given : You buy painting supplies for $12, and you charge $3 per person to paint faces.

To find : How many faces will you need to paint to earn $15 in profit?

Solution :

Let x represent the number of faces painted.

According to question,

`3x - 12 = 15`

Solving equation,

`3x= 15+12`

`3x=27`

`x=(27)/(3)`

`x=9`

Therefore, You need to paint 9 faces to earn $15 in profit.