99 Linear Equations and Inequalities 2 CHAPTER OUTLINE 2.1 Addition, Subtraction, Multiplication, and Division Properties of Equality 100 2.2 Solving Linear Equations 112 2.3 Linear Equations: Clearing Fractions and Decimals 121 Problem Recognition Exercises: Equations vs. Expressions 128 2.4 Applications of Linear Equations: Introduction to Problem Solving 128 2.5 Applications Involving Percents 139 2.6 Formulas and Applications of Geometry 146 2.7 Mixture Applications and Uniform Motion 156 2.8 Linear Inequalities 165 Group Activity: Computing Body Mass Index (BMI) 180 Chapter 2 In Chapter 2, we learn how to solve linear equations and inequalities in one variable. Are You Prepared? One of the skills we need involves multiplying by fractions and decimals. The following set of problems will review that skill. For help with multiplying fractions, see Section 1.1. Simplify each expression and fill in the blank with the correct answer written as a word. Then fill the word into the puzzle. The words will fit in the puzzle according to the number of letters each word has. 6 a 10010.172 2 5 3 8 10010.092 b 2 5 6 a b 10 a 10.42 4 3 4 b 6 a 6 7 a b 6 2 3 8 a b b
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