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13 March, 02:15

Select the correct response for three consecutive integers whose sum is 42. A) 12,13,14. B) 9,10,11. C) 13,14,15 D) 14,15,16

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Answers (2)
  1. 13 March, 02:31
    0
    I feel like the answer would be A) 12,13,14.
  2. 13 March, 02:44
    0
    Hello,

    it must be:

    x + (x+1) + (x+2) = 42

    from which:

    x+x+1+x+2=42;

    3x+3=42;

    3x=42-3;

    3x=39;

    x=39:3=13

    the first number is 13;

    the second number is:

    13+1=14

    The third number is:

    13+2=15

    The answer is C.

    Bye : - )
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