Heather is going to order a pizza and can choose from a thin or a thick crust, white or red sauce, and one of either mushrooms, garlic, or cheese. A. How many possible pizzas are there? B. List the pizzas. C. If Heather is allergic to mushrooms, how many pizzas must be removed?

A. There are 12 available pizzas.

B. 1. A thin crust with white sauce and mushrooms. 2. A thin crust with white sauce and garlic. 3. A thin crust with white sauce and cheese. 4. A thick crust with white sauce and mushrooms. 5. A thick crust with white sauce and garlic. 6. A thick crust with white sauce and cheese. 7. A thin crust with red sauce and mushrooms. 8. A thin crust with red sauce and garlic. 9. A thin crust with red sauce and cheese. 10. A thick crust with red sauce and mushrooms. 11. A thick crust with red sauce and garlic. 12. A thick crust with red sauce and cheese.

C. If she is allergic to mushrooms that eliminates 4 pizzas which leaves her the option of 8 pizzas.

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