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March 25, 2017

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abby has 8 sports cards. she has either hockey or football cards she has 4 more hockey cards than football cards. how many football cards does she have?

  • math - ,

    H = F + 4

    H + F = 8

    Substitute F+4 for H.

    F + 4 + F = 8

    2F = 4

    F = 2

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