Elementary Algebra Review Part 29
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Lesson Description:
Writing and solving an equation for a percent mixture problem and a percent increase problem.
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 for a percent mixture word problem?
- What does it mean to define a variable?
- How do you check your answer to a percent mixture word problem?
- How do you draw a picture to solve a percent mixture word problem?
- How many grams of water must be added to 50 grams of pure acid to make a solution that is 40% acid?
- How do you solve 0 + 50 = .4(w + 50)?
- How can you solve an equation by eliminating decimals from the beginning?
- If the price of a book is increased by 10%, and the book originally cost $89.90, what is the new price of the book?
- How do you solve a percent increase problem by defining a variable and writing an equation?
- How do you solve 89.90 + .1(89.90) = n?
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Staff Review
This video explains a very unique and simpler percent mixture problem. All steps are explained very well. In addition, you will learn how to tackle a percent increase problem. These are great problems to learn how to solve. -
marionca57
Great job going step by step for a mixture problem, and I like how you draw a picture to start and check it.
