SOLUTION: The sum of 4 even numbers is divisible by 4. Is this statement, Always true?, Sometimes true?, or Never true? And why?

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Question 782764: The sum of 4 even numbers is divisible by 4. Is this statement, Always true?, Sometimes true?, or Never true? And why?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

Let represent an even number. Then where is another, possibly different, even number. Likewise and are also even numbers where . The sum of is divisible by 4 if and only if is even.

Ergo, Sometimes True.

Examples: 2 + 4 + 6 + 8 = 16, and 16 is divisible by 4.

2 + 4 + 6 + 10 = 18, and 18 is not divisible by 4.

John

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