# Elementary Algebra Review Part 26

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Taught by YourMathGal
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Part of video series
Lesson Summary:

In this Elementary Algebra Review, the lesson focuses on writing and solving equations about percents and percent discounts based on word statements. The transcript demonstrates how to solve problems involving 18% of a number, 12% of a number, and finding the original cost of an item after a 25% markup. The lesson provides multiple methods of solving the equations, including using decimals, fractions, and common sense to check if the solutions make sense.

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?
• #### Staff Review

• Currently 4.0/5 Stars.
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.