To make the charges a non-proportional situation, the cab company needs to change its pricing structure so that the cost is not directly proportional to the number of miles traveled.
In a proportional situation, the cost is directly related to the distance (e.g., $12 per mile). This means that if you travel twice as far, the cost doubles.
Let's evaluate the options:
A) Charge $15 per mile instead of $12 - This is still a proportional situation (the cost increases directly with distance).
B) No changes are needed - This does not create a non-proportional situation.
C) Charge $4 per mile instead of $12 - This is still a proportional situation, just at a different rate.
D) Charge a flat rate of $20 and then $12 per mile - This is a non-proportional situation because the initial flat fee ($20) changes the total cost regardless of how many miles are traveled. The cost does not increase uniformly based on miles alone.
Thus, the correct option that makes the charges a non-proportional situation is D). Charge a flat rate of $20 and then $12 per mile.
21 answers