Salutare!:)
[tex]30 \: \% \: din \: 120 = \frac{3 \times 120}{100} = \frac{3 \: 600}{100} = 36[/tex]
[tex]\it 30\%\ din\ 120=\dfrac{30}{100}\cdot120=3\cdot12=36[/tex]
