Question: A Vancouver travel agency advertises all-expenses-paid trips to the Grey Cup Game for special groups. Transportation is by bus which seats 48 passengers, and the charge per person is $80, plus an additional $2 for each empty seat.

a. If there are X empty seats, find the equations for:

i. How many passengers are on the bus and

ii. How much does each pay?

b. What are the travel agency's total revenue when there are X empty seats?

c. Find the maximum revenue.