Find the total amount of each type of music records that were sold using the percentages shown in the graph. Notice that a total of 64 million were sold.
Pop/rock: 58%
[tex]\frac{58}{100}\cdot64\text{ million}=37.12\text{ million}[/tex]
Soul: 19%
[tex]\frac{19}{100}\cdot64\text{ million}=12.16\text{ million}[/tex]
Country: 9%
[tex]\frac{9}{100}\cdot64\text{ million}=5.76\text{ million}[/tex]
Classical: 7%
[tex]\frac{7}{100}\cdot64\text{ million}=4.48\text{ million}[/tex]
Other: 7%
[tex]\frac{7}{100}\cdot64\text{ million}=4.48\text{ million}[/tex]
Use those numbers to find the answers.
a) Substract the total amount of soul records from the total amount of pop/rock records:
[tex]37.12\text{ million}-12.16\text{ millon}=24.96\text{ million}[/tex]
24.96 million more pop/rock records were sold.
b) Substract the total amount of classical records from the total amount of soul records to find the answer:
[tex]12.16\text{ million}-4.48\text{ million}=7.68\text{ million}[/tex]
7.68 million fewer classi
