Homework Help: Mathematics 1

Posted by PDF on Thursday, July 19, 2012 at 10:43pm.

In audition for school play, 70% passed the quality of the jurors for the first week. of those remaining, 20% were chosen. if only 7 were qualified, how many tried their luck?

Mathematics 1 - Henry, Friday, July 20, 2012 at 5:32pm
0.2Sr = 7
Sr = 35 Students remaining.
0.3S = 35
S = 35 / 0.3 = 116.7 or 116 Students
tried their luck.

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