A trader sells 50 kg of sugar, part at 8% profit and the rest at 18% profit, earning 14% profit overall. How many kg did he sell at 18% profit?
Correct answer D. 30 kg
Explanation
8% part : 18% part = (18 - 14) : (14 - 8) = 4 : 6 = 2 : 3. So sugar sold at 18% = 50 x 3/5 = 30 kg.
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