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6 April, 06:47

Bobby, Billy, and Barry smith are each one year apart in age. The sum of their ages is greater than the age of their father, who is 60. How old the oldest brother can be?

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  1. 6 April, 06:54
    0
    X + x + 1 + x + 2 > 60

    3x + 3 > 60

    3x > 57

    x > 57/3

    x > 19

    x + 1 = 19 + 1 = 20

    x + 2 = 19 + 2 = 21

    oldest brother can be at least 21
  2. 6 April, 07:02
    0
    The oldest son is 30 years old.
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