At an ice cream shop, jars of chocolate sauce are stored in boxes in the pantry. Each box contains 10 jars of chocolate sauce. A candy store employee uses 3 jars from one of the boxes to put on top of the ice-cream. Which function shows the relationship between y, the total number of jars of chocolate sauce remaining in the pantry, and x, the number of boxes in the pantry? A. y = 7x
B. 10x + 7
C. 10x - 3
D. y = 10x