
Elle W.
asked 12/06/21Please see description for some reason it wouldn't let me type it in here :) PLEASE
a dinner meal is made up of an appetizer a main course a dessert and a drink The choices for the appetizer are soup or salad for the main course are chicken, fish, steak or lobster; for the dessert are ice cream, pie, sorbet, or a pastry; the drinks are coffee, tea or milk. How many different dinner meals are possible?
a. 96
b. 52
c. 48
d. 16
1 Expert Answer
Aaron W. answered 12/06/21
Experienced physical chemistry PhD with math skills
Consider an easier problem to learn how to do this kind of problem.
Consider just the appetizer and main course. Then, draw the choices like a tree branching out because this is how a person could choose.
chicken
soup fish
steak
lobster
start
chicken
salad fish
steak
lobster
The way to write this is (2) * (4) = 8 branches.
To solve the initial problem, you just keep branching out.
2 * 4 * 4 * 3
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Mark M.
Is tis a combination or a permutation?12/06/21