**Source: Veritas Prep**

On a certain Monday, Carlos drove to work at an average speed of 50 miles per hour and home from work along exactly the same route at an average speed of 70 miles per hour. Which of the following is closest to his average speed for both trips combined?

A. 58.3 miles per hour

B. 60.0 miles per hour

C. 62.6 miles per hour

D. 65.4 miles per hour

E. It cannot be determined from the information given

The OA is A