Question

Michael drove to a friend’s house at a rate of 40 mi/h. He returned by the same route at a rate of 45 mi/h. The driving time for the round trip was 4 h. What is the distance Michael traveled?

Answer 1

I got 84.7 but I don't know if that is right. I just need someone to walk me th rough the steps and explain why

Answer 2

explain your solving

Answer 3

So first I put x/45+x/40=4

Answer 4

then?

Answer 5

then?

Answer 6

Im not sure your supposed to find the average