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SAT Math 1.3 Numbers and Operations. x and y must be which of the following?
SAT Math 5.3 Numbers and Operations 201 Views
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Description:
SAT Math 5.3 Numbers and Operations
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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