My friend needs help on a question. Can someone help me?

Answer:
B 42 miles per hour
Step-by-step explanation:
Take the distance and divide by hours
105 miles ÷ 2 .5 hours
42 miles per hour
Answer:
Well to get the answer to the question, simply complete a multiplication process. This would be the following equation -
2.5 * X = 105
Now just plug in the options to get the answer. After doing so, you will find that-
2.5 * 42 = 105
Therefore the correct answer is B. 42 miles per hour.
-Hope this helped you out.