If the mean of four numbers is 6, what is their sum?

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Multiple Choice

If the mean of four numbers is 6, what is their sum?

Explanation:
Mean is the total sum divided by how many numbers there are. With four numbers and an average of 6, multiply the average by the count to get the total: 6 × 4 = 24. So the sum is 24. If the sum were 18, the mean would be 18/4 = 4.5; if it were 30, the mean would be 30/4 = 7.5; if it were 20, the mean would be 20/4 = 5. These don’t match the given average, so 24 is correct.

Mean is the total sum divided by how many numbers there are. With four numbers and an average of 6, multiply the average by the count to get the total: 6 × 4 = 24. So the sum is 24. If the sum were 18, the mean would be 18/4 = 4.5; if it were 30, the mean would be 30/4 = 7.5; if it were 20, the mean would be 20/4 = 5. These don’t match the given average, so 24 is correct.

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