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24 December, 14:09

Nancy is 5 yrs younger than her brother stan last year she was half as old as he was how old are they both

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Answers (2)
  1. 24 December, 16:58
    0
    Answer: 11 and 6

    Step-by-step explanation:

    I think this is it because she is 5 years younger and last year she was half of his age so he was 10 then you have to add another year to their age because that was last year, 5+1=6, 10+1=11. but im not completely sure so if you can wait for someone else or if you agree go ahead and answer it.
  2. 24 December, 16:59
    0
    We'll call the ages n and s

    Nancy is 5 yrs younger than her brother Stan

    n = s - 5

    Last year she was half as old as he was

    n - 1 = (1/2) (s - 1)

    We substitute for n

    s - 5 - 1 = (1/2) (s - 1)

    2s - 12 = s - 1

    s = 11

    n = s - 5 = 6

    Answer: Nancy is 6, Stan is 11

    Check:

    Clearly they're five years apart. Last year they were 5 and 10, half, good.
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