If the average of the numbers 2, 4, 6, 8, 10 is 6, what is the sum of the numbers?

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Multiple Choice

If the average of the numbers 2, 4, 6, 8, 10 is 6, what is the sum of the numbers?

Explanation:
The average tells you the total amount when you know how many numbers are being averaged. Here there are five numbers and their average is 6, so the total sum is 6 times 5. That gives 30. Quick check: 2 + 4 + 6 + 8 + 10 = 30, which matches the average of 6 (since 30 ÷ 5 = 6). If the sum were 20, 40, or 60, the corresponding averages would be 4, 8, or 12, not 6, so those options don’t fit. The sum is 30.

The average tells you the total amount when you know how many numbers are being averaged. Here there are five numbers and their average is 6, so the total sum is 6 times 5. That gives 30. Quick check: 2 + 4 + 6 + 8 + 10 = 30, which matches the average of 6 (since 30 ÷ 5 = 6). If the sum were 20, 40, or 60, the corresponding averages would be 4, 8, or 12, not 6, so those options don’t fit. The sum is 30.

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