Question

check answer... a club with 36 members..18 takes math 5 takes both math and literature and 8 take neither. how many take lit but not math.

Answer 1

is it 5?

Answer 2

fill in the missing part with \(36-8-18\)

Answer 3

lord i didnt think of doing it that way

Answer 4

see what i did was just subtracted the numbers from 36. is that a right way or no?

Answer 5

@satellite73 i think 36-8 = 28. :P

@tena32 NOPE.

Because when they say "Took math" , it includes people who took both math and lit as well.

Hence people who took math but not lit = 18-5 = 13.

Answer 6

ok so i do 18-5 first? im sorry if i dont understand this very well lol

Answer 7

and that is 13...

Answer 8

@tena32 ok. the thing is; there are 3 sets of people:

1. Who took ONLY MATH BUT NOT LIT.

2. Who took both math and lit.

3. Who took ONLY LIT BUT NOT MATH.

The sum of 1+2+3 = 28.

Also that 18 people took math.

So 1+2 = 18.

But 5 people took both math and lit.

So 1 +5 = 18 i.e. no. of people of 1 = 13.

So people who took only math but not lit = 13, both math and lit = 5,

Now you can subtract sum of 13+5 to find people who took lit but not math

Answer 9

and that is 18?

Answer 10

Yep. so the combined sum of 1+2 set = 18.

But the number of people who chose something = 28.

Hence number of people who took lit, but not math = 28-18

Answer 11

10?

Answer 12

10 is the answer. :)

(So here, be careful to see "Took math", and "took math ONLY." Both are different. OK?)

Answer 13

whew! i think i just have to have it completely broken down to me lol thanks!