Critical Thinking
Cedric downloaded 10 blues songs and 15 rock
songs. He also downloaded two EPs containing
4 songs each. Later he erased 2 of the blues
songs, 3 of the rock songs, and one of the EPs.
If Cedric already had 200 songs on his
computer, how many songs did he have when
he finished downloading and erasing songs?In This Chapter You Will:
●Write and simplify numerical and
algebraic expressions●Solve addition, subtraction,
multiplication, and division equations●Model and solve two-step equations
●Use a calculator to key in and
solve formulas
●Apply the strategy: Organize Data
●Look for new vocabulary words
highlighted in each lesson.Chapter 2 29