[tex]600gram \div 2kg[/tex] 3 km : 250 m

[tex]600g = 0.6kg \\ 0.6 \div 2 \\ \frac{6}{10} \div \frac{2}{1} \\ \frac{6}{10} \times \frac{1}{2} \\ = \frac{3}{10} = 0.3 \\ \\ 3km = 3000m \\ 3000 \div 250 \\ = 12[/tex]