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Counting Problems Videos 6 videos

SAT Math 1.1 Numbers and Operations
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SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?

SAT Math 1.2 Numbers and Operations
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SAT Math: Numbers and Operations Drill 1, Problem 2. If the masterpiece will be worth $45,055 in five years, what is its worth now?

SAT Math 3.5 Numbers and Operations
174 Views

SAT Math 3.5 Numbers and Operations

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SAT Math 5.3 Numbers and Operations 201 Views


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Description:

SAT Math 5.3 Numbers and Operations

Language:
English Language

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?

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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