Elementary Algebra Review Part 26
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Lesson Description:
Writing and solving equations about percents and percent discounts based on word statements.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Questions answered by this video:
- How do you write and solve an equation about percents and percent discounts based on a word statement?
- The number 9 is 18% of what number?
- How do you write a word statement as an algebraic equation?
- How do you solve 9 = .18*n?
- How do you solve percent word problems?
- How do you check a percent word problem solution?
- How can you write and solve an equation to find out what number is 12% of 75?
- How do you define a variable, write an equation, solve, and check your answer to a percent discount word problem?
- If a store buys a purse, marks it up 25%, and sells it for $40, what was the original cost of the purse?
- If C + .25C = 40, what does C equal?
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Staff Review
This type of problem (word statements about a number being a certain percent of another number and percent markups / discounts) is very common and can be very confusing. This video explains how to set up and solve an equation from the word statement.
