Answer:
150 miles
Step-by-step explanation:
If they drove the same speed throughout the trip, we can find the speed from
d= rt
Solving for r
d/t =r
300 miles/ 6 hours = r
50 miles per hour = rate ( or speed)
On the last day, the drove 3 hours.
d =rt
d = 50 miles per hour * 3 hours
d = 150 miles