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 B) 7.45/x = 10/y C)74.50x = y D. 74.50/x = 10/y