Nadeen is correct!! The wrong student did addition before multiplication.
Answer:
That would be 2 miles per hour (MPH).
Step-by-step explanation:
To find the answer to this solution, you would need to divide 20/10, this would get you the answer of 2, obviously, multiplying 10 by 2, you get 20. I hope this helps you! :)
C. Is most likely the better answer