## Prepare a Presentation

## Work Time

# Prepare a Presentation

Summarize Denzel’s and Jason’s thinking about fuel efficiency. Use your work to support your summary.

# Challenge Problem

Miles per gallon and gallons per mile are called *inverse rates*.

- Does dollars per pound have an inverse rate? If so, what is it?
- Write several rates and their inverse rates. Why do you think one form of the rate is usually used?