Answer:
Lot A is cheaper to stay in for 3 days and Lot B is cheaper for 8 days
Step-by-step explanation: Part A is Lot A because $9 a day for 3 days is $27+$3 dollar entry fee is 30 dollars for 3 days.
Part B: Lot B is better here because instead of paying $75 for 8 days, you pay $58.
Part C: $3.00 + 9.00x and 10.00 + 6.00x