SOLUTION: The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 90 said they had taken physics, 138 said

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Question 394629: The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 90 said they had taken physics, 138 said they had taken chemistry and 45 said they had taken both. Thirty-two said they had taken neither. How many recent high school grads were surveyed?

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Make a Venn diagram to understand this!
45+45+93+32=215
.
Ed