The girls decided to go on a hike on the sunny oaks forest trails the girls want to hike as a group but they all walk at different speeds 5 girls walk 2.5 miles per hour 8 girls walk 3 miles per hour and two girls walk 3.8 miles per hour what is the average pace? * take picture of work *

The answer would be 4.1 as the average. (Sorry I could not take a picture of my work, but here's a brief explanation of how I did it. 1st I added all three numbers, 2.5, 3.8, and 3, then divide by 3 because there are 3 numbers to add, when done dividing, you should have your answer! (I did not do the work on paper, I did this in my mind seeing that you just add those 3 numbers then divide by 3)
 

Idon’t know how to do that