Parking fees at a zoo are $5.00 for local residents and $7.50 for all others. At the

Question:

Parking fees at a zoo are $5.00 for local residents and $7.50 for all others. At the end of each day, the total number of vehicles parked that day and the gross receipts for the day are recorded, but the number of vehicles in each category is not. The following table contains the relevant information for a recent 4-day period:

(A) How many vehicles in each category used the zoo's parking facilities each day?
(B) If 1,200 vehicles are parked in one day, is it possible to take in gross receipts of $5,000? Of $10,000? Explain.
(C) Describe all possible gross receipts on a day when 1,200 vehicles are parked.