Multiple choice

The sum of a group of numbers is 7040. If the average of these numbers is 440, how many numbers are there in the group?

  1. 15

  2. 12

  3. 14

  4. 16

  5. 18
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D Correct answer
Explanation

The average is defined as the sum of numbers divided by the count of numbers. Therefore, count = sum / average = 7040 / 440 = 16.

AI explanation

The formula for average is the sum of values divided by the count of values, so count equals sum divided by average. Divide the given sum of 7040 by the average of 440 to find the number of numbers. The calculation 7040 / 440 yields 16, which is the number of values in the group.

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