Despite increasing competition from the Internet and video games, television
remains a popular form of entertainment. In 2009, 114.9 million American
households owned at least one TV set, and average viewing time for all viewers was
almost 34 hours per week. During the 2008–2009 season, favorite prime-time
television programs were American Idol andDancing with the Stars. (Source:
Nielsen Media Research.)
In Section 2.2we discuss the concept of percent—one of the most common
everyday applications of mathematics — and use it in Exercises 43 – 46to determine
additional information about television ownership and viewing in U.S. households.
Linear Equations, Inequalities,
and Applications
2.1 Linear Equations in One Variable
2.5 Linear Inequalities in One Variable
2.2 Formulas and Percent
Percent
2.3 Applications of Linear Equations
Linear Equations
2.4 Further Applications of Linear Equations
of Linear Equations
SUMMARY EXERCISES on Solving Applied Problems
Solving Applied Problems
2.5 Linear Inequalities
in One Variable
2.6 Set Operations and Compound Inequalities
Compound
Inequalities
2.7 Absolute Value Equations and Inequalities
Equations and
Inequalities
Summary Exercises on
Solving Linear and
Absolute Value Equations
and Inequalities
47
CHAPTER