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A person has been asked to take two teaspoons of cough syrup three times a day for a period of 20 weeks. Assuming that each bottle of cough syrup contains 90 teaspoons of medicine, find the cost at current prices.
Given: Consumption of cough syrup in a day = 2 teaspoons × 3 times = 6 teaspoons Number of teaspoons in a bottle = 90 Calculation:Consumption in 20 weeks = 6 teaspoons × 7 days × 20 weeks = 840 teaspoons Number of bottles needed for the consumption = 840/90 = 28/3 ? Cost of medicine at current price = 28/3 × 18 = Rs.168
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