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SAT Math 1.4 Numbers and Operations. Solve the equation.
SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?
SAT Math 5.3 Numbers and Operations 201 Views
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Description:
SAT Math 5.3 Numbers and Operations
Transcript
- 00:02
Here’s your shmoop du jour, brought to you by MySpace.
- 00:06
Now on display at the National Museum of American History.
- 00:10
200 people were surveyed:
- 00:12
115 people had Facebook profiles, 86 people had MySpace pages, and 43 had both.
- 00:19
How many people had neither account?
Full Transcript
- 00:24
Okay, so we want to know how many people think social networking is for the birds.
- 00:29
First, we’ll add 115 and 86 to give us the total number of accounts. That gives us 201.
- 00:35
Next, to avoid double counting, we’ll subtract the number of people who have accounts on
- 00:40
both social networking sites.
- 00:42
Now, we subtract 158 from the total number of people surveyed to arrive at 42 people.
- 00:48
It doesn't surprise us as much that 42 people don't have social media profiles.
- 00:52
We’re more flabbergasted by the fact that there are 86 crazy people still who have MySpace accounts.
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