December 1, 2015

Homework Help: MATH

Posted by Jen on Thursday, July 7, 2011 at 11:40pm.

The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 23 said they had taken physics, 47 said they had taken chemistry and 5 said they had taken both. Seven said they had taken neither. How many recent high school grads were surveyed?

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