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    ella_marie's Avatar
    ella_marie Posts: 2, Reputation: 1
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    #1

    Jan 27, 2011, 10:47 PM
    Ratio and proportions
    If a can of dog food can feed 5 dogs for 4 days, how long would it feed 8 dogs?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Jan 28, 2011, 03:52 AM

    This must either be a large can of dog feed or some mighty small dogs :):)

    Anyway, one can contains dog-days worth of food.

    Intuitively, we know the number of days the can feeds 8 dogs is going to be less than 4 because there are more dogs.

    Since , then

    What is x?
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