Wah..I need to ask my bro to answer this.. Brb
Answer:
Figure 5
Step-by-step explanation:
Figure 5, if you draw a line down the middle it is the same on both sides
8 am at 0
8:18 at 4.5
8:48 at 7.5 miles ???
18 min = .3 hour
48 min = .8 hour
in first .3 hours speed = 4.5/.3 = 15 mph
in next .5 hours = speed = 3/.5 = 6 mph
average speed for the whole trip = 7.5 miles/.8 hours = 9.375 mph
