a)
[tex]1.6 - 100\% \\ x - 108\% \\ \\ x = \frac{1.6 \times 108}{100} = \frac{1.6 \times 27}{25} = \frac{43.2}{25} \approx1.72zl[/tex]
b)
[tex]4 - 100\% \\ x - 105\% \\ \\ x = \frac{4 \times 105}{100} = \frac{420}{100} = 4.20zl[/tex]
c)
[tex]0.9 - 100\% \\ x - 108\% \\ \\ x = \frac{0.9 \times 108}{100} = \frac{97.2}{100} \approx0.97zl[/tex]
d)
[tex]3.8 - 100\% \\ x - 123\% \\ \\ x = \frac{3.8 \times 123}{100} = \frac{467.4}{100} \approx4.67zl[/tex]
