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    Which SAT II?

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    The Banker
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    Re: Which SAT II?

    Post by The Banker on Tue Aug 17, 2010 3:40 pm

    actually, wait till after iftar... Very Happy
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    Dark Flame99966
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    Re: Which SAT II?

    Post by Dark Flame99966 on Tue Aug 17, 2010 7:55 pm

    What does that mean? In terms of x?


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    The Banker
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    Re: Which SAT II?

    Post by The Banker on Tue Aug 17, 2010 7:56 pm

    a formula with x in it..

    yo Silence, gimme ur answer with ur working plz
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    Re: Which SAT II?

    Post by Ahmed on Tue Aug 17, 2010 8:42 pm

    @Marwa: Give me your answer first Very Happy


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    Re: Which SAT II?

    Post by The Banker on Tue Aug 17, 2010 9:13 pm

    i didn't even try it yet.. Razz
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    Re: Which SAT II?

    Post by Ahmed on Tue Aug 17, 2010 10:17 pm

    Then try it


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    Re: Which SAT II?

    Post by The Banker on Wed Aug 18, 2010 7:27 am

    kkz..

    Key:
    M= Marks
    MG= Marks for girls
    MB= Marks for boys

    (ΣM/25)=90
    so ΣM=90*25
    ΣM=2250

    (ΣMG/15)=x
    ΣMG=x*15
    ΣMG=15x

    ΣMB=ΣM-ΣMG
    ΣMB=2250-15x
    Average for boys=(ΣMB/10)=(2250-15x)/10

    yes, i overused the brackets.. Very Happy
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    The Banker
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    Re: Which SAT II?

    Post by The Banker on Wed Aug 18, 2010 7:28 am

    so is it right??
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    Re: Which SAT II?

    Post by Ahmed on Wed Aug 18, 2010 8:05 am

    No sorry


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    Re: Which SAT II?

    Post by The Banker on Wed Aug 18, 2010 8:09 am

    so whats the answer then?
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    Re: Which SAT II?

    Post by Ahmed on Wed Aug 18, 2010 8:12 am

    225-(2/3)x


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    Re: Which SAT II?

    Post by The Banker on Wed Aug 18, 2010 8:15 am

    i got the right answer Mr..
    i just left it as a whole fraction.. simplify my answer and u'll get the answer Wink


    Last edited by Pink Panther on Wed Aug 18, 2010 8:17 am; edited 1 time in total
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    The Banker
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    Re: Which SAT II?

    Post by The Banker on Wed Aug 18, 2010 8:17 am

    oh..actually.. r u sure its 2/3? should be 3/2 innit? :S
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    Re: Which SAT II?

    Post by Ahmed on Wed Aug 18, 2010 8:35 am

    Yes I'm sure


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    Re: Which SAT II?

    Post by The Banker on Wed Aug 18, 2010 8:38 am

    can i see ur working plz.. coz i'm pretty sure 1.5 is the equivalent to 3/2 NOT 2/3 slanty
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    Re: Which SAT II?

    Post by Ahmed on Wed Aug 18, 2010 11:39 am

    My bad. You are actually right. I did the mistake.


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