The pizza parlor can make and bake a pizza in 15 minutes. There are, on average 8 pizzas in preparation or baking in the kitchen. How many customers per hour can the pizza parlor serve (R)? Assume each customer orders only 1 pizza. (Remember: 15 minutes is 0.25 hours)
Hint: T = 15 min, I = 8 pizzas
a) 32
b) 8
c) 15
d) 120