<PRE><B>Question 755445</B>
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If 25 are taking Chemistry, but 7 of those are taking Physics as well, then 25 minus 7 = 18 are taking ONLY Chemistry.  Likewise, 16 are ONLY taking Physics.  So OnlyC + Both + OnlyP is the number you want.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
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My calculator said it, I believe it, that settles it
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