In this next Investigation 3.3 students are comparing and scaling unit rates.
Specifically they were faced with two different cd deals.
The students were tasked with scaling down the deals to a unit rate and then creating an equation out of that unit rate (this is review from Variables and Patterns our first Unit).
Here is a helpful video if you want to watch more on Unit Rates.
Video 1 - Unit Rates
Video 2 - Comparing Unit Rates