maths

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?

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asked by Jan
  1. M = 2y

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

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

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    posted by PsyDAG
  2. 2y-8=3y-24
    24-8=3y-2y
    16=y
    Therefore Younger brother is 16 years

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

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    posted by MR DIGGLE
  4. SORRY MISTAKE, PLEASE DISCARD.

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    posted by MR DIGGLE

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