Answer:
a truck driver can drive 64 miles in one hour
Explanation:
45 minutes / 60 = 0.75 hours - convert the time to hours, you should divide 45 minutes by 60 since there are 60 minutes in an hour
Now, you can use the formula:
Miles = (Speed) x (Time)
Miles = (48 miles) / (0.75 hours)
Miles = 64 miles