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    foxcole's Avatar
    foxcole Posts: 1, Reputation: 1
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    #1

    Feb 10, 2005, 09:54 AM
    Math puzzle: piece missing?
    I'm no longer fluent in math :rolleyes: but retain some ability in algebra after all these years...

    Still, I'm having trouble setting up a problem from a puzzle calendar that a friend gave me. It seems like a piece is missing, although I'm not entirely convinced that's true. Here's the quote:

    Rachel wanted to buy some tiny favors for a Mardi Gras party. She tried to drive a hard bargain and succeeded. If she had paid $0.04 more per hundred, she would have received five fewer. How much did the favors cost per hundred?

    Any hints or suggestions, or other comments? Thank you!
    Glipto's Avatar
    Glipto Posts: 7, Reputation: 1
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    #2

    Mar 8, 2005, 09:46 PM
    x = cost per hundred
    y = units
    M = Rachel's money

    M = x /100 * y
    or M = (x + 0.04)/100 * (y - 5)

    xy = (x +0.04) * (y - 5)

    ...

    y = 125 * x + 5 (many solutions)

    M value is missing.

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