SOLUTION: The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 95 said they had taken physics, 108 said

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Question 393764: The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 95 said they had taken physics, 108 said they had taken chemistry and 12 said they had taken both. Nine said they had taken neither. How many recent high school grads were surveyed?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi, Previously posted

(95-12)     + (108-12)       + 12    + 9       = number surveyed.

physic only + chemisry only  + both + neither  = number surveyed.



Note: questions of this variety may show up on tests like the SAT