Percent Increase, Decrease, and Discount
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Lesson Summary:
This lesson covers the application of percentages in the context of percent increase, decrease, and discount. Using real-life scenarios, the video provides step-by-step instructions on how to calculate these values using simple equations. By the end of the lesson, viewers will have a clear understanding of how to calculate percentages in these situations and how they apply to everyday life.
Lesson Description:
More application word problems of percents. This video talks about percent increases, percent decreases, and discounts.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
- How do you calculate percent increase, percent decrease, and discounts?
- What are some real-world applications of percents?
- How do you write and solve percent equations from word problems?
- If the annual tuition at a four year college is expected to increase from $4,500 to $5,400 next year, what is the percent increase?
- How do you find the percent increase of a price?
- How do you solve 900.00 = x*4,500.00?
- If a person whose salary is $42,000.00 receives a 2% pay cut, what is the salary decrease and what is the new salary?
- How do you solve x = 0.02*42,000.00?
- If during a clearance sale, a pair of shoes that originally sold for $89.95 is marked down to $53.97, what is the percent discount?
- How do you solve 35.98 = x*89.95?
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Staff Review
This is another very practical percent video that has you finding percent increase, percent decrease, and discounts of prices. Each problem is a little different and gives you different pieces of information and is looking for different things as the answer.
