Math

Biff is 25 years older than Hannah today. Four years from now, Biff will be 6 times as old as Hannah will be. How old is Hannah today? Use algebra to solve.

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asked by Chanell
  1. today:
    Hannah ---- x
    Biff -------- x + 25

    4 years from now:
    Hannah = x+4
    Biff = x + 25 + 4 = x + 29

    x + 29 = 6(x+4)

    solve for x

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