Writing Expressions for Percent Word Problems

In this video we look at writing expressions for percent problems. We are not solving problems but creating a method for solving problems.
Standard Math
Expressions & Equations
Use properties of operations to generate equivalent expressions.
Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related.
0:00 Introduction
0:50 Percent to Decimal (Review)
2:47 Beginner Expressions
4:27 Practice
5:14 Discount Question 1
6:43 Discount Question 2
9:16 Challenging Discount Question 3
11:13 Percent Increase Question 4
13:26 Conclusion

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In a large population, 52 % of the people have been vaccinated. If 4 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated? Please can you help me with the above question?

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