2 1/5 is equivalent to 2 2/10. 2 2/10 + 1 1/10 is 3 3/10. C is the answer.
I believe the answer is A
I believe A should be the answer, hope that helps.
Thank you for posting your question here at brainly. We find the answer by using mean (or average) when we use mean we add both together and divide by how many numbers we add. So 50 + 40 = 90. 90 / 2 = 45. So 45 is the average speed he traveled at the whole trip. 45 is your answer