Given:
21 country songs
18 alternative songs
16 pop songs
18 rock songs
Find:
Total number of songs on Deborah’s Mp3 player using addition and multiplication
Solution:
For addition, we just directly
add all the variables:
21 country songs + 18
alternative songs + 16 pop songs + 18 rock songs = 73 total number of songs
For multiplication, we must take note that there are two 18 songs with different genre so we can solve it using multiplication like this:
(18 songs (alternative and rock) * 2) + 21 country songs + 16 pop songs = 73 total number of songs.
Overall, there are 73 number of songs in Deborah’s MP3 player.
