Five consecutive positive integers are added together. If the middle of the three numbers is m, find the sum of the three numbers in terms of m.

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1 Answer

If we’re talking about 5 consecutive positive integers then the sum is 5m, if 3, it’s 3m.

The reason is that the integers before m and the integers after are equally far apart from m, and these distances cancel out when the integers are summed.

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