This is a series of mathematics lessons and solutions that will review the important topics in algebra. It is presented in videos by the Portland Community College.
Math 60 - Lesson 9a
Literal Equations - Definition, Solving for a variable
Math 60 - Lesson 9b
Modeling and solving word problems using algebra
Word problems with one unknown
Word problems with more than one unknown
An alternative strategy for thinking through the problem
Math 60 - Lesson 10a
Working with percents: Percents, fractions and decimals
A basic blueprint for percent questions
A bona-fide application involving percents
Math 60 - Lesson 10b
Problem solving:: Mixtures and solutions
The fundamental concept of mixing it up in mixture problems, Examples
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