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Coffee Loyalty Cards

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  • 23-10-2009 9:00pm
    #1
    Closed Accounts Posts: 243 ✭✭


    Just thought of this one today, so don't know if it's as good as I think it is :)

    In a coffee shop, people are given loyalty cards, that entitles them to one free coffee for every 6 they get. So they essentially get 7 for the price of six. The tokens to stick on the loyalty cards are printed on every coffee cup.

    A man visits the coffee shop every day, and only gets one cup of coffee each time, and as soon as he fills up a loyalty card he redeems it the next day.

    If he starts a new loyalty card on Day 1, how many days is it until he's filled and redeemed two loyalty cards, and how many coffees has he paid for?


Comments

  • Registered Users Posts: 442 ✭✭smiley girl


    12 days to fill 2 loyalty cards and 12 cups of coffee paid for with 2 free, i'd imagine:confused:

    Assuming the man has one cup of coffee a day


  • Closed Accounts Posts: 243 ✭✭WeWillBeReborn


    He only has one cup of coffee a day, but your answer is wrong :)

    And when I say "how many days is it until he's filled and redeemed two loyalty cards" I mean including the days he used the loyalty cards. So your answer in those regards is 14 days, paid for 12, which isn't right :)


  • Registered Users Posts: 442 ✭✭smiley girl


    11 cups of coffee are paid for and it takes 13 days??


  • Closed Accounts Posts: 243 ✭✭WeWillBeReborn


    Correct, because there's a token on the first free cup as well :)

    At least I confused you for for 11 minutes anyway :o


  • Registered Users Posts: 442 ✭✭smiley girl


    I wasn't thinking at first, thought it looked like an easy one!!! u got me!


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  • Registered Users Posts: 7,453 ✭✭✭Blisterman


    Did you come up with this in McDonalds by any chance?


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