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Post: #1
23-08-2011 21:58
moudy63


Joined: 18-07-2011
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HOW MANY PENS? DO YOU KNOW?

Assalam alleykum

Sister asked her bother about his pens and their colors, he said: "All my pens are red colored except 8 pens, also all my pens are blue colored except 6 and all of my pens are green except 4!"

The question here is How many pens the brother has?
And what is the quantity of each color he has (red, blue and green)?

Good luck to all

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Post: #2
24-08-2011 01:06
moudy63


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HOW MANY PENS? DO YOU KNOW?
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Post: #3
24-08-2011 02:07
Guest


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HOW MANY PENS? DO YOU KNOW?
Originally Posted by moudy63
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Post: #4
24-08-2011 02:15
moudy63


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HOW MANY PENS? DO YOU KNOW?
Originally Posted by Neo
Originally Posted by moudy63


Post: #5
24-08-2011 02:55
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HOW MANY PENS? DO YOU KNOW?

يا جماعة و الله صعبة و بدا بروفسور انكليزي مع دكتور الوان
بالتوفيق للجميع مع الشكر لصاحب الموضوع

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Post: #6
24-08-2011 08:18
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HOW MANY PENS? DO YOU KNOW?

شكرا لصاحب الموضوع

بس مغلش تنبيه صغير التراكر أسمه عرب تورنت مش أنجلش و لا فرنش فياريت بقيت مواضيع يا مودى تبقا بالعربى


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Post: #7
24-08-2011 19:11
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HOW MANY PENS? DO YOU KNOW?
let :
x=red pens
y=blue pens
z=green pens
v=all pens

v=x+y+z [1]

v-8=x
v-6=y
v-4=z
بالجمع

3v-18=x+y+z [2]
v =x+y+z [1]

from [2] , [1] وبالطرح

2v-18 =0
v=18/2
{V=9}

so :red pens equals 9-8 = 1 red pen
red pens equals 9-6 = 3 blue pens
red pens equals 9-4 = 5 red pens

هات الحلاوة
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Post: #8
24-08-2011 20:19
moudy63


Joined: 18-07-2011
Posts: 6,361
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HOW MANY PENS? DO YOU KNOW?
Originally Posted by FenTom
let :
x=red pens
y=blue pens
z=green pens
v=all pens

v=x+y+z [1]

v-8=x
v-6=y
v-4=z
بالجمع

3v-18=x+y+z [2]
v =x+y+z [1]

from [2] , [1] وبالطرح

2v-18 =0
v=18/2
{V=9}

so :red pens equals 9-8 = 1 red pen
red pens equals 9-6 = 3 blue pens
red pens equals 9-4 = 5 red pens

هات الحلاوة

FENTOM IS THE MAN
YES SIR YOU DID IT



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