### Home > MC1 > Chapter 9 > Lesson 9.3.3 > Problem 9-150

9-150.

**Unit price** is defined as the cost of one unit of an item. Suppose a 16-ounce bottle of shampoo costs

Solving the proportion gives , so this shampoo costs

Find the unit price of

*Italy*olive oil, which costsfor ounces. Find the unit price of

*Delicious*olive oil, which costsfor ounces. Follow the steps in part (a) and in the example above.

If both brands are the same quality, which one is the better buy?

Italy is a better buy.