I agree with you Chris. The answer is 53.
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1. Re: OT: is it 53 or 120? (methinks it is 13) (Chris Mwirigi)
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Message: 1
Date: Fri, 31 Dec 2010 12:00:57 +0300
From: Chris Mwirigi <mwirigic@gmail.com>
To: Skunkworks Mailing List <skunkworks@lists.my.co.ke>
Subject: Re: [Skunkworks] OT: is it 53 or 120? (methinks it is 13)
Message-ID:
<AANLkTi=_jyHxwn-gsHTAMZvf73=RjGbCzqmLKe3xx_4=@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Answer is 53
/thread
On Fri, Dec 31, 2010 at 11:55 AM, <sospeter@elimu.co.ke> wrote:
> By force I tell you. Class 4 was a bad year for me, with the X Table and
> all. I was canned mpaka zikaingia kwa finger tips.
>
> :-)
> Regards.
>
> > hehehe, ati u learnt by force!! LOL
> >
> > On Fri, Dec 31, 2010 at 11:42 AM, <sospeter@elimu.co.ke> wrote:
> >
> >> The whole confusion (magic!) started when they inserted brackets.
> >> (22+32) - (21+15+5).
> >>
> >> Enyewe my dad would slap me hard too! :-)
> >>
> >> I learnt Math by force. Not until later when I presented my dad with a
> >> calculus problem. Hihihi.
> >>
> >> > ok, I might be wrong in my explanations by the very meaning of my
> >> words,
> >> > but
> >> > for sure it applies logically....at the point where you only have +
> >> and -
> >> > signs
> >> >
> >> > The placing of brackets at this point (22+32) - (21+15+5) is where
> >> they
> >> > went
> >> > wrong.....and its actually confusing if care is not taken [and here is
> >> the
> >> > point where the-not-soooo-maths-savy skunks start thinking in a
> >> complex
> >> > way
> >> > and do magic!!]
> >> >
> >> > At this point, (22+32) - (21+15+5) they should actually have done
> >> this,
> >> if
> >> > they really have to follow BODMAS rules and placing of braces...
> >> >
> >> > (22)+(32)+(-21)+(15)(+5)
> >> >
> >> > In fact, me thots.... their complexing thinking made them assume -
> >> > sign in 22+32
> >> > - 21+15+5 was to separate the equation into 2 parts, so they got
> >> (22+32)
> >> -
> >> > (21+15+5)!!! thithihihihihihi. My dad would pinch me so hard if he saw
> >> me
> >> > do
> >> > that!!
> >> >
> >> >
> >> >
> >> > On Fri, Dec 31, 2010 at 11:25 AM, <sospeter@elimu.co.ke> wrote:
> >> >
> >> >> @Gregory,
> >> >>
> >> >> I disagree. BODMAS is used on all operators and not "when u have
> >> >> multiplication and division signs (in a complex equation)" as you put
> >> >> it.
> >> >>
> >> >> BODMAS is just a system that helps us remember the order in which to
> >> >> deal
> >> >> with the operators.
> >> >>
> >> >> But I agree with you on the answer.
> >> >>
> >> >> > For all I know, BODMAS comes in when u have multiplication and
> >> >> division
> >> >> > signs (in a complex equation), and its here that u r required to
> >> put
> >> >> > brackets, for simplicity sake. When u reach the point where u have
> >> +
> >> >> and
> >> >> -
> >> >> > operators between, u just apply simple arithmetic and logic. U just
> >> >> add
> >> >> > subtract add blah blah, whenever u see the appropriate sign!!!!!!
> >> >> >
> >> >> > Mul and division signs r binary operators, + and - are unary
> >> >> > operators....if
> >> >> > u don't hv the capacity to sink this in grey matter, don't bother
> >> >> trying
> >> >> > any
> >> >> > harder, coz that the way maths is!!! duhhhhhh!!!!!!! Where r the
> >> >> > mathematicians?!!!
> >> >> >
> >> >> > 53 is the answer!! CASE CLOSED! Even a standard 8 pupil would do
> >> this
> >> >> in
> >> >> > seconds, whatever happened to our maths.........!!!!!!!
> >> >> >
> >> >> >
> >> >> > On Fri, Dec 31, 2010 at 10:30 AM, <sospeter@elimu.co.ke> wrote:
> >> >> >
> >> >> >> @Collins was wrong at this point
> >> >> >>
> >> >> >> =>(22+32) - (21+15+5)
> >> >> >>
> >> >> >> Without the brackets as it was before it would be
> >> >> >>
> >> >> >> 22 + 32 - 21 + 15 + 5
> >> >> >>
> >> >> >> Then Addition:
> >> >> >>
> >> >> >> 22 + 32 + 15 + 5 = 74
> >> >> >>
> >> >> >> Then Subtraction:
> >> >> >>
> >> >> >> 74 - 21 = 53
> >> >> >>
> >> >> >> .
> >> >> >> . . Ans = 53
> >> >> >>
> >> >> >> Regards.
> >> >> >>
> >> >> >>
> >> >> >>
> >> >> >> > BODMAS :
> >> >> >> > 11 x 2 + 32 - 21 + 5 x 3 + 5 x 1
> >> >> >> >
> >> >> >> > since we have no brackets, or division, we go to multiplication:
> >> >> hence
> >> >> >> >
> >> >> >> > (11X2) +32-21+(5X3)+(5X1)
> >> >> >> >
> >> >> >> > => 22 + 32 - 21 + 15 + 5
> >> >> >> > Then Addition
> >> >> >> >
> >> >> >> > (22+32) - (21+15+5)
> >> >> >> > => 54 - 41
> >> >> >> >
> >> >> >> > => 13.
> >> >> >> >
> >> >> >> > My 2 Cnts.
> >> >> >> >
> >> >> >> > On Thu, Dec 30, 2010 at 7:05 PM, Solomon Mburu Kamau
> >> >> >> > <solo.mburu@gmail.com>wrote:
> >> >> >> >
> >> >> >> >> Such a mathematical calculation does not require BODMAS, I was
> >> >> taught
> >> >> >> >> that in school, since there is not bracket.
> >> >> >> >> If done as it is, the answer should be 53.
> >> >> >> >> Therefore the 'winner' of that 160K, is just 'one of the few
> >> >> picked
> >> >> >> >> up' guys and declared them winners.
> >> >> >> >>
> >> >> >> >>
> >> >> >> >>
> >> >> >> >> On 30/12/2010, Martin G. Kamau <gachunga@gmail.com> wrote:
> >> >> >> >> > IMO, The link provided by @Erick is right... the answer
> >> should
> >> >> be
> >> >> >> 53;
> >> >> >> >> and
> >> >> >> >> > @Brian the calculator did use BODMAS.
> >> >> >> >> >
> >> >> >> >> > On Thu, Dec 30, 2010 at 5:48 PM, Brian Rioba
> >> <rriobs@gmail.com>
> >> >> >> wrote:
> >> >> >> >> >
> >> >> >> >> >> Should be 13.Erick your calculator appears to be doing
> >> Linear
> >> >> >> >> >> processing insread of following BODMAS
> >> >> >> >> >>
> >> >> >> >> >> On 12/30/10, Erick Njenga <eriknjenga@gmail.com> wrote:
> >> >> >> >> >> > Msema
> >> >> >> >> >> > kweli<
> >> >> >> >> >>
> >> >> >> >>
> >> >> >>
> >> >>
> >>
> http://www.google.co.ke/search?sourceid=chrome&ie=UTF-8&q=11+x+2+%2B+32+-+21+%2B+5+x+3+%2B+5+x+1+%3D
> >> >> >> >> >> >
> >> >> >> >> >> > --
> >> >> >> >> >> >
> >> >> >> >> >> > Thanks and Regards,
> >> >> >> >> >> > Erick Njenga Nyachwaya,
> >> >> >> >> >> > M: +254-725-008-790
> >> >> >> >> >> >
> >> >> >> >> >> > <http://www.facebook.com/ErickNjenga> <
> >> >> >> >> >> http://www.twitter.com/ErickNjenga>
> >> >> >> >> >> >
> >> >> >> >> >> _______________________________________________
> >> >> >> >> >> Skunkworks mailing list
> >> >> >> >> >> Skunkworks@lists.my.co.ke
> >> >> >> >> >> http://orion.my.co.ke/cgi-bin/mailman/listinfo/skunkworks
> >> >> >> >> >> ------------
> >> >> >> >> >> Skunkworks Rules
> >> >> >> >> >> http://my.co.ke/phpbb/viewtopic.php?f=24&t=94
> >> >> >> >> >> ------------
> >> >> >> >> >> Other services @ http://my.co.ke
> >> >> >> >> >>
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > --
> >> >> >> >> > Regards,
> >> >> >> >> > Martin Kamau
> >> >> >> >> >
> >> >> >> >>
> >> >> >> >>
> >> >> >> >> --
> >> >> >> >> *Solomon Mb??r?? Kamau*
> >> >> >> >>
> >> >> >> >> *****************************************************
> >> >> >> >> *Man is a gregarious animal and enjoys agreement as cows will
> >> >> graze
> >> >> >> all
> >> >> >> >> the
> >> >> >> >> same way to the side of a hill!*
> >> >> >> >>
> >> >> >> >> AND
> >> >> >> >>
> >> >> >> >> *It is better to die in dignity than in the ignominy of
> >> ambiguous
> >> >> >> >> generosity! *
> >> >> >> >>
> >> >> >> >> http://smiley2.wordpress.com
> >> >> >> >> http://mburu.sikika.co.ke
> >> >> >> >> _______________________________________________
> >> >> >> >> Skunkworks mailing list
> >> >> >> >> Skunkworks@lists.my.co.ke
> >> >> >> >> http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks
> >> >> >> >> ------------
> >> >> >> >> Skunkworks Rules
> >> >> >> >> http://my.co.ke/phpbb/viewtopic.php?f=24&t=94
> >> >> >> >> ------------
> >> >> >> >> Other services @ http://my.co.ke
> >> >> >> >>
> >> >> >> > _______________________________________________
> >> >> >> > Skunkworks mailing list
> >> >> >> > Skunkworks@lists.my.co.ke
> >> >> >> > http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks
> >> >> >> > ------------
> >> >> >> > Skunkworks Rules
> >> >> >> > http://my.co.ke/phpbb/viewtopic.php?f=24&t=94
> >> >> >> > ------------
> >> >> >> > Other services @ http://my.co.ke
> >> >> >>
> >> >> >>
> >> >> >> _______________________________________________
> >> >> >> Skunkworks mailing list
> >> >> >> Skunkworks@lists.my.co.ke
> >> >> >> http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks
> >> >> >> ------------
> >> >> >> Skunkworks Rules
> >> >> >> http://my.co.ke/phpbb/viewtopic.php?f=24&t=94
> >> >> >> ------------
> >> >> >> Other services @ http://my.co.ke
> >> >> >>
> >> >> >
> >> >> >
> >> >> >
> >> >> > --
> >> >> > Regards,
> >> >> > Greg
> >> >> > --------
> >> >> > Life is not a rehearsal, you only live once!
> >> >> > _______________________________________________
> >> >> > Skunkworks mailing list
> >> >> > Skunkworks@lists.my.co.ke
> >> >> > http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks
> >> >> > ------------
> >> >> > Skunkworks Rules
> >> >> > http://my.co.ke/phpbb/viewtopic.php?f=24&t=94
> >> >> > ------------
> >> >> > Other services @ http://my.co.ke
> >> >>
> >> >>
> >> >> _______________________________________________
> >> >> Skunkworks mailing list
> >> >> Skunkworks@lists.my.co.ke
> >> >> http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks
> >> >> ------------
> >> >> Skunkworks Rules
> >> >> http://my.co.ke/phpbb/viewtopic.php?f=24&t=94
> >> >> ------------
> >> >> Other services @ http://my.co.ke
> >> >>
> >> >
> >> >
> >> >
> >> > --
> >> > Regards,
> >> > Greg
> >> > --------
> >> > Life is not a rehearsal, you only live once!
> >> > _______________________________________________
> >> > Skunkworks mailing list
> >> > Skunkworks@lists.my.co.ke
> >> > http://lists.my.co.ke/cgi-bin/mailman/listinfo/skunkworks
> >> > ------------
> >> > Skunkworks Rules
> >> > http://my.co.ke/phpbb/viewtopic.php?f=24&t=94
> >> > ------------
> >> > Other services @ http://my.co.ke
> >>
> >>
> >> _______________________________________________
> >> Skunkworks mailing list
> >> Skunkworks@lists.my.co.ke
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> >> ------------
> >> Other services @ http://my.co.ke
> >>
> >
> >
> >
> > --
> > Regards,
> > Greg
> > --------
> > Life is not a rehearsal, you only live once!
> > _______________________________________________
> > Skunkworks mailing list
> > Skunkworks@lists.my.co.ke
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>
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