Algebra Age Problem Help please?

hatsune-dropshatsune-drops
in Education & Reference

Betty is as old as Helen was 4 years ago. Two years from now, Betty's age will be eleven more than half of Helen's age. How old is Helen now?

Update:

I don't know what to do anymore I can't get the correct equation. Please help. At least a step by step for the right equation. Thank you!!

Comments

  • joejoe

    b = betty

    h = helen

    b = h - 4

    2 years from now = +2 to both ages

    b + 2 = 11 + 1/2( h + 2)

    substitute

    (h - 4) + 2 = 11 + 1/2( h + 2 )

    h - 2 = 11 + 1/2h + 1

    h = 14 + 1/2h

    1/2h = 14

    h = 28

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