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

    Feb 5, 2011, 12:17 PM
    The sum of two integers is 12, and their product is 27.What are the two integers?
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #2

    Feb 5, 2011, 12:26 PM

    Well since 1, 3 and 9 are the only numbers that will divide into 27 evenly, what do you think.
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    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Feb 6, 2011, 04:30 AM

    If you know algebra, you'll go like this:

    Let the first integer be x and other other y.

    Their sum is 12, hence x + y = 12

    Their product is 27, hence xy = 27

    Solve the two simultaneous equations.
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