Jenny wants to buy soda at the grocery store. The store offers three different packages. Which package has the best unit price?

To determine the best unit price, we need to calculate the price per soda for each package.

For the 6-pack: 2.29 / 6 = $0.38 per soda
For the 12-pack: 3.99 / 12 = $0.33 per soda
For the 24-pack: 5.99 / 24 = $0.25 per soda

Therefore, the 24-pack has the best unit price.