Question

The sum of 3 consecutive integers is 261. What is the middle number?

Answer 1

1st integer—x:
x + x + 2 + x + 4 = 261
3x = 255
x = 85

2nd integer:
= 85 + 2
= 87

3rd integer:
= 85 + 4
= 89

Answer: 85, 87 & 89 are the 3 consecutive odd integers.

Proof (sum):
= 85 + 87 + 89
= 261

Answer 2

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