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Joey Ontek ∙
Between 13 and 15 there is only one even integer: 14.
Michael Scalise ∙
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What is the sum of the even integers from 7 to 89
13, 14, 15
13+14+15 = 42
-15
11, 13, 15
The sum of the squares of the three consecutive integers 11, 13, 15 = 515