7-1 Ratios: To solve problems involving ratios.

7-2 Proportions: To solve problems using proportions.

7-3 Equations with Fractional Coefficients: To solve equations with fractional coefficients.

7-4 Fractional Equations: To solve fractional equations.

7-5 Percents: To work with percents and decimals.

7-6 Percent Problems: To solve problems involving percents.

7-7 Mixture Problems: To solve mixture problems.

7-8 Work Problems: To solve work problems.

7-9 Negative Exponents: To use negative exponents.

7-10 Scientific Notation: To use scientific notation.