Răspuns:
[tex]x = \frac{0.(3) \times 5}{0.(2)} = \frac{3}{9} \times 5 \div \frac{2}{9} = \frac{3}{9} \times 5 \times \frac{9}{2} = 3 \times 5 \times \frac{1}{2} = \frac{15}{2} [/tex]
