Final answer:
In the example provided, Plan A is cheaper at $65.50 for 150 km in one day compared to Plan B, which would cost $75. To compare the plans, calculate the total costs including daily rates and the cost per kilometer driven.
Step-by-step explanation:
The student's question relates to comparing two car rental plans to determine which one is more cost-effective given a specific usage pattern. To answer this, one would typically calculate the total costs for each plan based on the given rates and the expected driving distance. Let's assume the student plans to drive 150 kilometers in one day.
For Plan A, the cost would be the daily rate plus the cost per kilometer:
- $34 (daily rate) + $0.21/km × 150 km = $34 + $31.50 = $65.50.
For Plan B, since the first 50 km are included, we only calculate the cost for the additional kilometers:
- $66 (daily rate) + $0.09/km × (150 km - 50 km included) = $66 + $9 = $75.
In this scenario, Plan A is more cost-effective with a total cost of $65.50 compared to Plan B at $75.