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Of the 400 people in an auditorium, 1/4 are wearing hats. Of those, 1/

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Of the 400 people in an auditorium, 1/4 are wearing hats. Of those, 1/ [#permalink]

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New post 27 Mar 2017, 12:16
1
1
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

76% (00:26) correct 24% (00:56) wrong based on 46 sessions

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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

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Re: Of the 400 people in an auditorium, 1/4 are wearing hats. Of those, 1/ [#permalink]

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New post 27 Mar 2017, 13:37
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?

Total number of People : 400
Total Wearing Hats = 1/4 * 400 = 100
Total Wearing Fedoras = 1/5 * 100 = 20
Total not wearing Fedoras = 400 - 20 = 380

Answer is E
Re: Of the 400 people in an auditorium, 1/4 are wearing hats. Of those, 1/   [#permalink] 27 Mar 2017, 13:37
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Of the 400 people in an auditorium, 1/4 are wearing hats. Of those, 1/

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