Răspuns :
Răspuns:
a)
[tex] \frac{20}{100} \times x = 42 \\ \frac{2}{10} \times x = 42 \\ x = 42 \times \frac{10}{2} \\ x = 210[/tex]
b)
[tex] \frac{33}{100} \times x = 66 \\ x = 66 \times \frac{100}{33} = 200[/tex]
Răspuns:
a)
[tex] \frac{20}{100} \times x = 42 \\ \frac{2}{10} \times x = 42 \\ x = 42 \times \frac{10}{2} \\ x = 210[/tex]
b)
[tex] \frac{33}{100} \times x = 66 \\ x = 66 \times \frac{100}{33} = 200[/tex]