Answer:
$21.10=3.10+2m.
Step-by-step explanation:
If the total fare was $21.50, then that is what it will all have to equal out to.
They charged a pick-up fee of $3.10. Which means that no matter how far you go, you will pay that. Then an extra $2 per mile. If m is mile, then it would be 2m because it is $2 per extra mile. Then add the pick-up fee of $3.10 and you will get your answer of $21.50=3.10+2m.
I think it is 23 I think I hope I helped
Answer and Explanation: The answer is in the 1st image, and the explanation is in the 2nd image.
Answer:

Step by step explanation:

Answer: The independent variable is time (t). The dependent variable is the total distance (d).