Final answer:
Without additional context, we can't definitively say how many apples the shopkeeper sells. However, the concept indicated pertains to computations involving the quantity of goods sold and their corresponding prices.
Step-by-step explanation:
The question about how many apples the shopkeeper sells lacks enough information to provide a factual answer. However, based on the information provided in the chapters, the process of determining the quantity of goods sold involves mathematical computations. Using the examples given, if a shopkeeper sold 10 apples at 50 cents each in 2001, they would have made $5 for apples sold that year.
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