Question

If the cost of 5 1/2 kg of sugar is Rs 825/4
find cost of 8 1/4 kg of sugar..
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Answer 1

$cost \: of \: 5 \: \frac{1}{2} kg \: of \: sugar \: is \: \frac{825}{4} \\ cost \: of \: 1kg \: of \: sugar \: is \: \frac{ \frac{825}{4} }{ \frac{11}{2 } } \: \: = \frac{75}{2 } \\ cost \: of \: 8 \ \frac{1}{4 \: } kg \: of \: sugar \: is \: \frac{33}{4} \times \frac{75}{2} \\ \: \: \: \: = \frac{2475}{8} = 309 \frac{3}{8}$