Portal
actually, wait till after iftar... 
5 posters
Which SAT II?
The Banker- NH Member
- Number of posts : 15240
Username Change Points : 8340
Reputation : 24
Registration date : 2009-10-27
Mood :
Country :
Dark Flame99966- NH Member
- Number of posts : 6018
Username Change Points : 8426
Reputation : 64
Registration date : 2007-10-15
Country :
What does that mean? In terms of x?
The Banker- NH Member
- Number of posts : 15240
Username Change Points : 8340
Reputation : 24
Registration date : 2009-10-27
Mood :
Country :
a formula with x in it..
yo Silence, gimme ur answer with ur working plz
yo Silence, gimme ur answer with ur working plz
Ahmed- NH Admin
- Number of posts : 51452
Username Change Points : 60928
Reputation : 147
Registration date : 2007-10-14
Mood :
Country :
@Marwa: Give me your answer first
The Banker- NH Member
- Number of posts : 15240
Username Change Points : 8340
Reputation : 24
Registration date : 2009-10-27
Mood :
Country :
i didn't even try it yet.. 
Ahmed- NH Admin
- Number of posts : 51452
Username Change Points : 60928
Reputation : 147
Registration date : 2007-10-14
Mood :
Country :
Then try it
The Banker- NH Member
- Number of posts : 15240
Username Change Points : 8340
Reputation : 24
Registration date : 2009-10-27
Mood :
Country :
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..
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..
The Banker- NH Member
- Number of posts : 15240
Username Change Points : 8340
Reputation : 24
Registration date : 2009-10-27
Mood :
Country :
so is it right??
Ahmed- NH Admin
- Number of posts : 51452
Username Change Points : 60928
Reputation : 147
Registration date : 2007-10-14
Mood :
Country :
No sorry
The Banker- NH Member
- Number of posts : 15240
Username Change Points : 8340
Reputation : 24
Registration date : 2009-10-27
Mood :
Country :
so whats the answer then?
Ahmed- NH Admin
- Number of posts : 51452
Username Change Points : 60928
Reputation : 147
Registration date : 2007-10-14
Mood :
Country :
225-(2/3)x
The Banker- NH Member
- Number of posts : 15240
Username Change Points : 8340
Reputation : 24
Registration date : 2009-10-27
Mood :
Country :
i got the right answer Mr..
i just left it as a whole fraction.. simplify my answer and u'll get the answer
i just left it as a whole fraction.. simplify my answer and u'll get the answer
Last edited by Pink Panther on Wed Aug 18, 2010 8:17 am; edited 1 time in total
The Banker- NH Member
- Number of posts : 15240
Username Change Points : 8340
Reputation : 24
Registration date : 2009-10-27
Mood :
Country :
oh..actually.. r u sure its 2/3? should be 3/2 innit? 
Ahmed- NH Admin
- Number of posts : 51452
Username Change Points : 60928
Reputation : 147
Registration date : 2007-10-14
Mood :
Country :
Yes I'm sure
The Banker- NH Member
- Number of posts : 15240
Username Change Points : 8340
Reputation : 24
Registration date : 2009-10-27
Mood :
Country :
can i see ur working plz.. coz i'm pretty sure 1.5 is the equivalent to 3/2 NOT 2/3 
Ahmed- NH Admin
- Number of posts : 51452
Username Change Points : 60928
Reputation : 147
Registration date : 2007-10-14
Mood :
Country :
My bad. You are actually right. I did the mistake.
|
|
|