What is the average of all integers from 13 to 37 inclusive?

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Multiple Choice

What is the average of all integers from 13 to 37 inclusive?

Explanation:
Consecutive numbers form an arithmetic sequence, so their average is the midpoint between the first and last numbers. For 13 to 37, the midpoint is (13 + 37) / 2 = 25. There are 25 numbers, so the middle term is 25, which confirms the average.

Consecutive numbers form an arithmetic sequence, so their average is the midpoint between the first and last numbers. For 13 to 37, the midpoint is (13 + 37) / 2 = 25. There are 25 numbers, so the middle term is 25, which confirms the average.

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