Applications of Percent
In this lesson, Professor Perez teaches how to write and solve percent equations from real-world applications. Using a structured format of "A percent of a total is a portion," he demonstrates how to solve problems involving percent of free throws made, percent of females in a population, total graduating students and amount of alcohol in a solution. Charlie is a great student who helps solve each problem and demonstrates that with practice, anyone can learn how to solve percent equations.
Writing and solving percent equations from real-world application word problems involving percents.
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.
- What are some real-life applications of percents?
- How do you write and solve percent equations from application word problems?
- If a basketball player successfully makes 82 out of 120 free throws, what is the successful free throw percentage?
- How do you solve x*120 = 82?
- How do you find the free throw percentage of a basketball player?
- If the population of a large city is 60% female, and the total population of the city is 584,855 people, how many females and males are in the population?
- How do you solve 0.60 * 584,855 = x?
- If at a community college, 32% of a graduating class took statistics, and 360 students from the graduating class took statistics, how many students are in the graduating class?
- How do you solve 0.32*x = 360?
- How much alcohol and water is in a 60ml bottle of alcohol solution marked 35% alcohol?
- How do you solve 0.35*60 = x?
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Staff Review
This lesson takes what we know about percents and uses it to write and solve equations from word problems. These are problems that are solved in our everyday lives. Several good example problems are solved in this video. -
