To find out how many apples were sold as fresh fruit, we first need to calculate how many apples Sara discarded as defective.
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Calculate the defective apples: \[ \text{Defective apples} = \frac{1}{10} \times 200 = 20 \]
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Calculate the fresh apples: \[ \text{Fresh apples} = \text{Total apples} - \text{Defective apples} \] \[ \text{Fresh apples} = 200 - 20 = 180 \]
Therefore, Sara sold 180 apples as fresh fruit.