Multiple choice

Study the following data and answer the question. The table shows the number of books sold in different genres by five bookstores during a month. Bookstore Fiction Non-fiction Comics Poetry Mystery Total A 1,250 980 1,430 670 840 5,170 B 1,380 1,040 1,520 740 920 5,600 C 1,190 990 1,460 710 760 5,110 D 1,420 1,110 1,350 680 880 5,440 E 1,330 1,070 1,490 750 1,100 5,740 Total 6,570 5,190 7,250 3,550 4,500 What is the average number of Mystery books sold across all the bookstores?

  1. 710

  2. 750

  3. 900

  4. 1,120
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C Correct answer
Explanation

The total number of Mystery books sold is 840 + 920 + 760 + 880 + 1100 = 4500. The average is 4500 / 5 = 900.

AI explanation

To find the average number of Mystery books sold across all bookstores, divide the total Mystery books by the number of bookstores. Using the totals provided at the bottom of the table, the sum of Mystery books is 4500. Apply the formula for average: 4500 / 5 = 900. The result is 900.

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