Answer:
3.6 mph
Step-by-step explanation:
to find the average speed you need to divide your total distance by total time. Im this case you need to divide 12 by to find the average speed you need to divide your total distance by total time. Im this case you need to divide 12 by 3.25
12=12
r+p=-8
5-p=r-3
5+3-p-r=0
8-p-r=0