a car travels 720 miles in 12 hours. Express this as a unit rate

Question

 a car travels 720 miles in 12 hours. Express this as a unit rate

 

how you solve this? 

Answer 1

A unit rate would be a speed v in miles per hour, which is the distance traveled divided by the length of the time interval of the travel.

 

v = (720 miles ) / (12 hours) = 60 miles/hour