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1 December, 20:26

Statement: The sum of a rational number and an even integer is rational.

Is this always, sometimes, usually, or never true?

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  1. 1 December, 21:17
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    Always true.

    Step-by-step explanation:

    Suppose the rational number was p/q and the even number was 2n where p, q and n are integers.

    p/q + 2n

    = (p + 2nq) / q which is rational.
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