1. Proportions in the Real World

2. What skills do we need to solve proportions?You must know how to….. Work with fractions Set up ratios Cross multiply Solve one step algebraic equations

3. Example 1: Baking You’ve decided to make chocolate chip cookies for the math club! The recipe calls for ¾ cups of sugar and the recipe makes 20 cookies. The math club has 60 members! How much sugar will you need? If you are going to give 1 cookie to each member.

4. and theansweris ….2 1/4

5. Weather A snowstorm dumped 18 inches of snow in a 12-hour period. How many inches were falling per hour?

6. Theansweris 1.5 inches

7. Currency You are going to a trip to Argentina! The currency in Argentina is the Peso. The exchange rate is approximately $3 = 1 Peso. At this rate, how many Pesos would you get if you exchanged $120 ?

8. Theansweris 40 pesos