Question
A wholesaler has 3500 kg of maize. He sells some at 28%
profit and the remaining at 16% profit. The overall profit is 22%. Find the quantity (in kg) sold at 16% profit.Solution
Let the quantity of maize sold at 28% profit be n kg.
Then, the quantity sold at 16% profit = 3500 - n kg.

Thus, the quantity of maize sold at 16% profit = 3500 - 1750 = 1750 kg.
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