7-2 Discount and Markup: To solve problems involving discount and markup.
7-3 Commission and Profit: To solve problems involving commission and profit.
7-4 Percents and Proportions: To use proportions to solve problems involving percents.
7-5 Simple Interest: To solve problems involving simple interest.
7-6 Compound Interest: To solve problems involving compound interest.
7-7 Percents and Problem Solving: To solve mixed problems involving percents.