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At Glenridge High School, 20 percent of the students are seniors. If all of the seniors attended the school play, and 60 percent of all the students attended the play, what percent of the non-seniors attended the play?

 Mar 12, 2020
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At Glenridge High School, 20 percent of the students are seniors. If all of the seniors attended the school play, and 60 percent of all the students attended the play, what percent of the non-seniors attended the play?

 

This question is very  t r i c k y

 

100%   -   all students at Glenridge High School

 

20%    -    seniors, and all of them attended the play

 

Out  of  80% of non-seniors, only one half of them  attended the play.

 

Answer:    50% of non-seniors attended the play.    wink

 Mar 12, 2020
edited by Guest  Mar 12, 2020
edited by Guest  Mar 12, 2020
edited by Dragan  Mar 12, 2020
edited by Dragan  Mar 13, 2020

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