1)
[tex] \frac{1}{100} \times 100 = 10000[/tex]
[tex] \frac{5}{100} \times 20 = 400[/tex]
[tex] \frac{10}{100} \times 40 = 400[/tex]
[tex] \frac{12}{100} \times 375 = 3124[/tex]
[tex] \frac{25}{100} \times 256 = 1024[/tex]
[tex] \frac{80}{100} \times 405 = 506[/tex]
[tex] \frac{200}{100} \times 208 = 416[/tex]
[tex] \frac{350}{100} \times 72 = 252[/tex]
2)
[tex] \frac{7}{100} \times 1200 = 17142kg[/tex]
[tex] \frac{7}{100} \times 800 = 11428[/tex]
[tex] \frac{7}{100} \times 12000 =171428 [/tex]
[tex] \frac{7}{100} \times 500 = 7142[/tex]