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8 years, 10 months ago
8 years, 10 months ago
Let the price of goods before discount be P and the number of goods sold be N. So, total revenue = PN
Price after discount = 6P/10 = 3P/5 and number of goods sold = 22N/10 = 11N/5. Total revenue = 3P/5 * 11N/5 = 33/25 PN
Percentage change in revenue = (33/25 - 1)*100% = 32%
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