A cab company charges $8 per mile for a lift to the airport.

Question

What change would the company make to their charges to make this a non proportional situation?

A. No changes are needed
B. Charge a flat rate of $10 and then $8 per mile
C. Charge $4 per mile instead of $8
D. Charge $12 per mile instead of $8

Answer 1

To make the cab company's charges a non-proportional situation, they would need to introduce a fixed charge that is not dependent on the distance traveled. In a proportional situation, the cost per mile remains constant with no additional charges, while non-proportional situations involve a flat fee plus a variable cost based on distance.

The option that introduces a flat charge in addition to the variable cost is:

B. Charge a flat rate of $10 and then $8 per mile.

This option adds a fixed fee ($10) to the per-mile charge, making the relationship between distance and cost non-proportional.