Billy is picking a sandwich, a snack, a dessert, and a drink for his lunch. He can have a ham, turkey, or salami sandwich; an apple, banana, or carrots for his snack; a cookie or brownie for his dessert; and apple or orange juice for his drink. $\newline$ How many different lunch combinations does Billy have to choose from?

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Q. Billy is picking a sandwich, a snack, a dessert, and a drink for his lunch. He can have a ham, turkey, or salami sandwich; an apple, banana, or carrots for his snack; a cookie or brownie for his dessert; and apple or orange juice for his drink.

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How many different lunch combinations does Billy have to choose from?

Sandwich Choices: Billy has $3$ choices for sandwiches: ham, turkey, or salami.
Snack Choices: He has $3$ choices for snacks: apple, banana, or carrots.
Dessert Options: For dessert, Billy's got $2$ choices: cookie or brownie.
Drink Options: And for drinks, there's $2$ options: apple juice or orange juice.
Calculate Total Combinations: To find the total number of combinations, multiply the number of choices for each category. $\newline$ So, it's $3$ (sandwiches) $\times$ $3$ (snacks) $\times$ $2$ (desserts) $\times$ $2$ (drinks).
Calculate Total Combinations: To find the total number of combinations, multiply the number of choices for each category. $\newline$ So, it's $3$ (sandwiches) $\times$ $3$ (snacks) $\times$ $2$ (desserts) $\times$ $2$ (drinks).Calculating that gives us $3 \times 3 \times 2 \times 2 = 36$ different lunch combinations.