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Out of 100 people, 49 liked A 53 likes B and 62 liked C. 27 liked A&B, 29 liked B&C and 28 Liked A&C, 5 liked none. How many liked...?
How many liked A B AND C (all three)?
How many Liked ONLY A
How many Liked ONLY B
How many Liked only A, B or C
How many Liked either A and B, A&C or B&C?
I have looked at this four literally three hours please help !!
@? That only gets me so far...
I know the following
At Least Like A 49At Least Like B 53At Least Like C 62At Least Like A & B 27At Least Like A & C 28At Least Like B & C29 Like None 5Do Not Like A 51Do Not Like B 47Do Not Like C 38Likes something other than A 46Likes something other than B 42Likes something other than C 33Like A NOT B22Like A NOT C 21Like B NOT A 26Like B NOT C24Like C NOT A 34Like C NOT B 33
2 Answers
- Anonymous3 weeks ago
This is not a question about Classical Music. It should get moved to Mathematics.
- ?Lv 73 weeks ago
OK, let's try to do this step-by-step.
Alikers- 49 like A
Blikers - 53 like B
ABlikers - 27 like A & B
that means that there are 27 in common between Alikers and Blikers.
SO:
Alikers - 27 like B, therefore 22 do NOT like B
Blikers - 27 like A, therefore 26 do NOT like A
Get the process?
Keep doing this for all of the groups.
You should be able to use this process to calculate the answers to the questions.
