contestada

You spend $28 on ingredients to make cookies. You charge $4 per container of cookies. How many containers do you need to sell to earn $20 in profit?

Respuesta :

x = container

4x - 28 = 20
4x = 20 + 28
4x /4 = 48 / 4
x = 12

You need to sell 12 containers to earn 20 dollars in profit