Of 100 students asked if they like rock and roll or country music, 7 said they like neither, 90 said they like rock and roll, and 57 said they like country music. How many students like both?

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CliffsNotes.com. Of 100 students asked if they like rock and roll or country music, 7 said they like neither, 90 said they like rock and roll, and 57 said they like country music. How many students like both? 22 Nov 2009
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