Question

Distance between Town A and Town B = 420 miles. Average speed of automobile = 45 mph. Time to travel between Town A and Town B = _____ hours.

Answer 1

Speed=distance / time ⇒ time=distance/ speed.
Data:
distance=420 miles
speed=45 mph=45 miles/hour

Time=(420 miles) / (45 miles/ hour)=9.333... hour=9 hour, 20 minutes.

Answer:
Time to travel between Twon A and Town B=9.33 hours.