Of the 400 people in an auditorium, 1/4 are wearing hats. Of those, 1/5 are wearing fedoras. How many people in the audi

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Of the 400 people in an auditorium, 1/4 are wearing hats. Of those, 1/5 are wearing fedoras. How many people in the auditorium are not wearing fedoras?

A. 20
B. 80
C. 180
D. 220
E. 380

Answer: E

Source: Princeton Review
Source: — Problem Solving |