Last Saturday, Mr. Stone drove 320 miles in 5 hours. What is the unit rate of miles per hour? (1 point)
О 60
© 15
• 64
• 80
To find the unit rate of miles per hour, we divide the total number of miles by the total number of hours.
Unit rate = miles / hours
In this problem, Mr. Stone drove 320 miles in 5 hours.
Unit rate = 320 miles / 5 hours
Unit rate = 64 miles per hour
The unit rate of miles per hour is 64. Therefore, the answer is • 64.