a)
[tex] \frac{15}{100} \times 350 = \frac{15 \times 35}{10} = \frac{525}{10} = 52.5[/tex]
b)
[tex] \frac{65}{100} \times 39 = \frac{65 \times 39}{100} = \frac{2535}{100} = 25.35[/tex]
c)
[tex] \frac{12}{100} \times 75 = \frac{12}{4} \times 3 = 3 \times 3 = 9[/tex]
d)
[tex] \frac{35}{100} \times 1200 = 35 \times 12 = 420[/tex]
e)
[tex] \frac{67}{100} \times 300 = 67 \times 3 = 201[/tex]
