Percent means out of 100.
A)
[tex] \frac{8}{100}*150 \\ \frac{(8)(150)}{100} \\ \frac{1200}{100} \\ \frac{(100)(12)}{(100)(1)} = \frac{12}{1} \\ 12 [/tex]
B)
[tex] \frac{8.5}{100}*70 \\ \frac{(8.5)(70)}{100} \\ \frac{595}{100} \\ \frac{(5)(119)}{(5)(20)} \\ \frac{119}{20}=5 \frac{19}{20} [/tex]
[tex]5.95[/tex]