Chapter 7
Fraction, Decimal, and Percent Word Problems
IN THIS CHAPTER
Adding and subtracting fractions, decimals, and percents in word equations
Translating the word of as multiplication
Changing percents to decimals in word problems
Tackling business problems involving percent increase and decrease
In Chapter 3, I show you how to solve word problems by setting up word equations that use the Big Four operations. In this chapter, you see how to extend these skills to solve word problems with fractions, decimals, and percents. You discover how to solve percent problems by setting up word equations and changing the percent to a decimal. Finally, I show you how to handle practical problems of percent increase and decrease, such as raises and salaries, costs and discounts, and amounts before and after taxes.
Adding and Subtracting Parts of the Whole
Certain word problems involving fractions, decimals, and percents are really just problems in adding and subtracting. For instance, you may add fractions, decimals, or percents in a variety of real-world settings that rely on weights and ...
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