The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 45 said they had taken physics, 67 said they had taken chemistry and 22 said they had taken both. Seventeen said they had taken neither. How many recent high school grads were surveyed? Show your work.

Question

anonymous · Answer

I have both Chemistry and Physics :\

anonymous · Answer

What does that suposed to mean?

amistre64 · Answer

How many people were surveyed?  Just add up all the numbers to find out how many there are :)

amistre64 · Answer

45 said this
67 said that
22 said another thing
17 didnt know
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 ?  are the total number surveyed