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

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

Working with percents: Percents, fractions and decimals

A basic blueprint for percent questions

A bona-fide application involving percents

Problem solving:: Mixtures and solutions

The fundamental concept of mixing it up in mixture problems, Examples

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