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    chelseapendley's Avatar
    chelseapendley Posts: 22, Reputation: 1
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    #1

    Feb 26, 2008, 12:20 PM
    Pre- Calculus
    We were asked:

    If 527 - 142 = 345
    And 901 + 522 = 223
    Then 148 - 253 = ?

    Can anyone help me on this?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Feb 26, 2008, 12:25 PM
    Do you have any more information? Is that all your were given? Because the first 2 sums are clearly false.
    chelseapendley's Avatar
    chelseapendley Posts: 22, Reputation: 1
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    #3

    Feb 26, 2008, 12:43 PM
    Yes that's all we were given
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #4

    Feb 26, 2008, 12:44 PM
    Is it meant to be algebra i.e. the numbers should be letters?

    What are you studying at the moment?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #5

    Feb 26, 2008, 12:49 PM
    It seems that the numbers are meant to be interpreted as 12 hour clock times:

    5:27 - 1:42 = 3:45
    9:01 + 5:22 = 2:23(pm)

    Knowing that you should be able to work out the aswer to the third sum.
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    chelseapendley Posts: 22, Reputation: 1
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    #6

    Feb 26, 2008, 01:35 PM
    Thanks
    chelseapendley's Avatar
    chelseapendley Posts: 22, Reputation: 1
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    #7

    Feb 26, 2008, 08:06 PM
    Is it 1055?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #8

    Feb 27, 2008, 01:07 AM
    Yup :)
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