Question 1158901: A school cafeteria offers students one of three entrees: chicken fajitas, turkey sandwiches, or yoghurt with fresh fruit; and one of the following side dishes: broccoli, potato wedges, salad, or pretzels. Using a tree diagram find all of the different meals for lunch. How many are there? Check your work using the counting principle.
Answer by ikleyn(53410)   (Show Source):
You can put this solution on YOUR website! .
A school cafeteria offers students one of three entrees: chicken fajitas, turkey sandwiches,
or yoghurt with fresh fruit; and one of the following side dishes: broccoli, potato wedges, salad,
or pretzels. Using a tree diagram find all of the different meals for lunch.
How many are there? Check your work using the counting principle.
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There are 3 choices for entrees and 4 choices for side dishes.
These choices in different categories are independent.
Therefore, the total number of different combinations is 3*4 = 12. ANSWER.
The counting principle says the same.
Solved.
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