To calculate the percentage of bad apples, Vincenzo can use the following formula:
\[ \text{Percentage of bad apples} = \left( \frac{\text{Number of bad apples}}{\text{Total number of apples}} \right) \times 100 \]
In Vincenzo's case:
- Number of bad apples = 4
- Total number of apples = 34
Now, plug the values into the formula:
\[ \text{Percentage of bad apples} = \left( \frac{4}{34} \right) \times 100 \]
Calculating that:
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Divide \(4\) by \(34\): \[ \frac{4}{34} \approx 0.1176 \]
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Multiply by \(100\): \[ 0.1176 \times 100 \approx 11.76 \]
So, the percentage of bad apples is approximately \(11.76%\).