Answer:
They would arrive at their destination at 2pm.
Explanation:
We have that:
In which v is the velocity, d is the distance and t is the time.
We first have to find how long the trip takes.
60 miles per hour, so
600 miles, so
Then
The trip lasts 10 hours. Your family left at 4am. When they arrive.
10 hours after 4 am is 10 + 4 = 14 hours, which in the am/pm scale is 2 pm.
So they would arrive at their destination at 2pm.