Eric takes a train to his parent’s house 320 miles away. If the trip takes 4 hours, what is the unit rate of the train? 1. Use the known information to write a rate.
2. The train’s rate: StartFraction 320 miles over 4 hours EndFraction
3. Write an equivalent rate with a denominator of 1.
4. Unit rate:

5. Check: The product of the unit rate and the total time should equal the total distance.