Ответ:

а)1,62

18 - 100%

x - 9%

[tex] \frac{18 \times 9}{100} = \frac{162}{100} = 1.62[/tex]

б) 300

24 - 8%

х - 100%

[tex] \frac{24 \times 100}{8} = 300[/tex]

в)28.08

144 - 100%

х - 20%

[tex] \frac{144 \times20}{100} = 28.08[/tex]

г)300

36 - 12%

х - 100%

[tex] \frac{36 \times100 }{12} = 300[/tex]

д)48

х - 120%

40 - 100%

[tex] \frac{40 \times 120}{100} = 48[/tex]

е) 600

30 - 5%

х - 100%

[tex] \frac{30 \times 100}{5} = 600[/tex]