A company ordered 10 boxed lunches from a deli for 74.50. Each boxed lunch cost the same amount. Which equation represents the proportional relationship between y, the total cost of the boxed lunches and x, the number of boxed lunches? A) 7.45x = y D) 74.50/x = 10/y

B) 7.45/x = 10/y

C) 74.50x = y