To find the percentage of hardcover books sold that were nonfiction, we need to divide the number of nonfiction hardcover books sold by the total number of hardcover books sold and then multiply by 100.
From the table:
- The number of nonfiction hardcover books sold = 49
- The total number of hardcover books sold = 72
Now, calculate the percentage:
\[ \text{Percentage of nonfiction hardcover books} = \left( \frac{\text{Nonfiction hardcover sales}}{\text{Total hardcover sales}} \right) \times 100 \]
\[ \text{Percentage of nonfiction hardcover books} = \left( \frac{49}{72} \right) \times 100 \]
Calculating this gives:
\[ \frac{49}{72} \approx 0.6806 \]
\[ 0.6806 \times 100 \approx 68.06% \]
Therefore, approximately 68% of hardcover books sold were nonfiction.
The correct answer is D. 68%.
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