Elementary Algebra Review Part 26

Elementary Algebra Review Part 26
  • Currently 4.0/5 Stars.
1665 views, 1 rating - 00:09:40
Part of video series Elementary Algebra Review
Taught by YourMathGal
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
Writing and solving equations about percents and percent discounts based on word statements.

  • 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?
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.
  • Currently 4.0/5 Stars.
Reviewed by MathVids Staff on November 18, 2009.
 
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