document.write( "Question 454863: In tryouts for a school play, 30% of the participants were eliminated the first week. Of those remaining, 20% were chosen. If 7 were chosen, how many tried out? \n" ); document.write( "
Algebra.Com's Answer #312335 by edjones(8007)\"\" \"About 
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Let x=number that tried out.
\n" ); document.write( "(x-.3x)*.2=7
\n" ); document.write( ".2*.7x=7
\n" ); document.write( ".14x=7
\n" ); document.write( "x=50
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