Step-by-step explanation:
[tex]2 \frac{2}{7} kg \: suar \: cost \: 70 \frac{6}{14} \\ \frac{16}{7 } \: sugar \: cost \: \frac{493}{7} \\ \frac{16}{7} \times \frac{7}{16} = 1kg \: sugar \: cost \: = \frac{493}{7} \times \frac{7}{16} = \frac{493}{16 } = 30 \frac{13}{16} [/tex]
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