maths

posted by Jan

Mr B is now twice as old as his younger brother. Eight years ago he was three times as old as his younger brother was then. How old is the younger brother now?

  1. PsyDAG

    M = 2y

    (M-8) = 3(y-8)

    Substitute 2y for M in the second equation and solve for y.

  2. Anonymous

    2y-8=3y-24
    24-8=3y-2y
    16=y
    Therefore Younger brother is 16 years

  3. MR DIGGLE

    he should know his younger brothers name. LOL its his brother. unless hes like diggle, then for sure he doesnt know his bro.

  4. MR DIGGLE

    SORRY MISTAKE, PLEASE DISCARD.

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