Răspuns:
4.
[tex] \frac{10}{100} \times 10 = \frac{100}{100} = 1 \\ [/tex]
[tex] \frac{5}{100} \times 10 = \frac{50}{100} = 5 \div 10 = 0.5[/tex]
Marfa costa acum :
a)10-1-1=8 lei
b)10-0,5-0,5=9 lei
5.
[tex] \frac{11}{100} \times 3.30 = \frac{36.3}{100} = 0.363[/tex]
Marfa costa acum :
3,30+0,363=3,663 lei
