a hospital uses a mixture of a and b mixture a consists of salt and water at 7.62/liter and contains 5%salt .mixture b 75% water and costs rs.7.82/liter. how much does the patient pay if he buys 15 liter of mixture containing 18%salt?
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Solution: Required % of salt = 18 %. x = 7.75/ liter. Hence the price of 5 liters of mixture is 38.75 Rs.
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