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12.6 Counting Principle

12.6 Counting Principle. SWBAT apply the fundamental counting principle to solve counting problems. Problem 1.

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12.6 Counting Principle

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  1. 12.6 Counting Principle SWBAT apply the fundamental counting principle to solve counting problems

  2. Problem 1 • You are traveling through Europe for the summer and decide the best packing option is to select separates that can be mixed and matched. You pack 1 pair of shorts and 1 pair of pants. You pack a pair of sandals and a pair of sneakers. You also pack three shirts (red, blue, and white). How many different outfits can be worn? Use a tree diagram to find the answer.

  3. Problem 2 • You are at an ice cream shop and have decided to have an ice cream sundae. You have two options for size (regular or large). Five flavors of ice cream to choose from (chocolate, vanilla, strawberry, cookie dough, or mint chocolate chip). You also have 3 syrup toppings (hot fudge, caramel, butterscotch) and 5 hard toppings (m&ms, peanut butter cups, gummy bears, nuts, sprinkles). How many different possible sundaes could you make? Use a tree diagram to figure out the answer.

  4. Fundamental Counting Principle • The number of ways in which successive things can occur is found by multiplying the number of ways each thing can occur.

  5. Problem 1 • A restaurant is rented for a retirement party. The owner offers an appetizer, an entree, and a dessert for a set price. The following are the choices that people attending the party may choose from. How many possible dinners could be served that night? • Appetizer: calamari, stuffed mushrooms, or Caesar salad • Entrees: tortellini alfredo, shrimp scampi, eggplant parmesan, or chicken marsala • Desserts: tiramisu or flan

  6. Problem 2 • In problem 1, the restaurant will lower the cost per person for the retirement party if the number of appetizers and entrees is reduced. Suppose the appetizers are reduced to either soup or salad and the entrees are reduced to either tortellini or eggplant parmesan How many possible dinners could be served at the party?

  7. Homework • Page 1174 #19-22 and worksheet

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