### Home > CC2 > Chapter 9 > Lesson 9.2.4 > Problem9-92

9-92.
1. This problem is a checkpoint for unit rates and proportions. It will be referred to as Checkpoint 9.

2. In parts (a) and (b), compute the unit rate. In parts (c) and (d), solve the proportion. Homework Help ✎

1. Tina drove 108 miles and used 4.5 gallons of gasoline. Compute the miles per gallon.

2. If 17 oranges cost \$3.23, compute the cost per orange.