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The ratio of A's stickers to B's stickers was 3:4.
After A bought another 18 stickers and B lost 10 stickers, the ratio became 3:2. Find the number of stickers both of them had at first.

  • math -

    a/b = 3/4
    (a+18)/(b-10) = 3/2

    4a = 3b
    2(a+18) = 3(b-10)

    2a+36 = 4a - 30
    2a = 66
    a = 33
    b = 44

    check:
    33/44 = 3/4
    (33+18)/(44-10) = 51/34 = 3/2

  • math -

    Thank you, Steve!

  • math -

    aw, shucks <scuff><scuff>

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