Question

Cost of an item is 50. It was sold with a profit of 12%. Find the selling price.
Find the profit or loss per cent :​

Answer 1

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$percentage \: profit \: = \frac{selling \: prie \: - \: cost \: price}{cost \: price} \times 100 \\ 12 = \frac{s.p \: - \: 50}{50} \times 100 \\ 12 \times 50 = (s.p \: - \: 50) 100 \\ s.p \: - 50 = \frac{12 \times 50}{100} \\ s.p - 50 = 6 \\ s.p \: = 6 + 50 \\ selling \: price \: = 65$