How is the Avg MPG calculated on the Service Activity Report totaled by Fleet and Facility?

average MPG explained

The average MPG on this particular report is calculated by adding up the Avg MPG for all vehicles and then dividing by the number of transactions.

In this example, we add up Avg MPGs 31.5 + 13.4 + 13.5 + 13.2 + 36.2 then divide by the number of transactions to get the 21.6 MPG.