A pizzeria sells pizzas in individual slices of in pies of 8 slices. On a certain day, the pizzeria sold a total of 364 slides, 84 of which were sold as individual slices. Which of the following shows the number of pies, n, sold on that day?
A. n = 364 + 84/8
B. n = 364/8 + 84
C. n = 364/8 - 84
D. n = 364 - 84/8