1: Problem Solving Last updated Save as PDF Page ID 52807 David Lippman Pierce College via The OpenTextBookStore 1.1: Introduction 1.2: Percents 1.3: Proportions and Rates 1.4: Geometry 1.5: Problem Solving and Estimating 1.6: Exercises 1.7: Extension - Taxes 1.8: Income Taxation Thumbnail: pixabay.com/photos/tax-form-irs-tax-taxes-finance-4080693/