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SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?
SAT Math 1.1 Numbers and Operations 280 Views
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SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?
- Numbers and Operations / Ratios, Proportions, and Percents
- Numbers and Operations / Counting Problems
- Product Type / SAT Math
- Statistics and Probability / Understand independence and conditional probability
- Statistics and Probability / Understand and interpret independence and conditional probability
- Passport to Advanced Math / Interpreting nonlinear expressions
Transcript
- 00:02
Here's your shmoop du jour: Breakfast at the school cafeteria offers the
- 00:06
choice of 2% milk, chocolate milk, or orange juice...
- 00:09
...and one of the following cereals: Cheerios, Froot Loops, Raisin Bran, or Corn Flakes.
- 00:15
How many combinations of beverage and cereal can be made?
- 00:18
Here are the potential answers....
Full Transcript
- 00:22
First, let's count the number of drink choices and the number of cereal choices.
- 00:26
We count 3 drink choices and 4 cereal choices. We want to figure out how many drink and cereal
- 00:33
combinations we can make.
- 00:35
Some potential breakfast combinations could be chocolate milk and Corn Flakes, Orange
- 00:41
Juice and Froot Loops, 2% milk and Raisin Bra
- 00:45
We could just list all of them, but that would take a while. There's a better way.
- 00:49
There are 3 drink choices, and each drink can be paired with 4 different cereals.
- 00:54
That means all we have to do is multiply 3 by 4
- 00:58
to get that there are a total of 12 combinations.
- 01:01
The correct answer is (D).
- 01:02
Now don't forget to eat the most important meal of the day.
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