Question

I think i need some help in this 1plsss...i got -3 people......O.o...O.o
In a group of 20 girls 8 drink tea but not coffee,15 drink tea.How many girls drink coffee but NOT tea...

Answer 1

all - the people - the ppl drinks coffe and tea ??

Answer 2

3

Answer 3

i guess it should be 5

Answer 4

give me a min that itry to solve it

Answer 5

some calculation pls......^_^

Answer 6

don'T you have a caluclatorm ?

Answer 7

@Korcan no i don't :P:P:P:P

Answer 8

:P :P :P i really ran away from the school the security guard followed me but i escape and ran for 5 mins :P

Answer 9

I think i got it....:):)

Answer 10

u normally got it you are better ten me in maths :d

Answer 11

here 15 people drink both tea and coffee but only 8 drink tea. so 7 people drink both tea and coffee,
so only coffee=20-(8+7)=5....

Answer 12

use a Venn Diagram
answer is 5

Answer 13

yea tht's wht i thought.... Thnx guys :)

Answer 14

wait ill attact the file :D

Answer 15

kk :)

Answer 16

well something in turkish srorry :( nevermind them :D

Answer 17

but i am interested that how you find -3 ??? :P

Answer 18

Solution using the set theory formulae...

Answer 19

:P:P:P:P:P:P Shut up u smarty :P:P

Answer 20

:PP

Answer 21

Thnx a loot Xavier ^_^