A driver covers 180 miles in 3 hours. Dividing to get miles in a single hour produces a:

1. Dividing 180 by 3 gives 60 miles for each hour. 2. The denominator of that rate is one hour. 3. A rate whose denominator is one unit is a unit rate. _Source: OpenStax Prealgebra 2e, Chapter 5, Decimals._