Respuesta :
The equation of her earning is: 30 + 5x
Where, x = number of sale
Now, 30 + 5x = 60
5x = 60-30
x = 30/5
x = 6
So, If she wants to earn 60, she need to work for 6 sales
Hope this helps!
Where, x = number of sale
Now, 30 + 5x = 60
5x = 60-30
x = 30/5
x = 6
So, If she wants to earn 60, she need to work for 6 sales
Hope this helps!