In class, on February 26, we worked on problem 3.4. In the problem, you had to find unit rates. For example, you had to find out the cost per orange and how many oranges you could buy with one dollar. You also had to explain what the unit rates meant. In the problem, you had to decide which grocery store had a better buy, CannedStuff or CornerMarket.On Friday, February 26, we worked on problem 3.4.