document.write( "Question 132343: Ninety percent of the ninth grade students at Richbartville High School take algebra. If 180 ninth grade students take algebra, how many ninth grade students do NOT take algebra? \n" ); document.write( "

Algebra.Com's Answer #96702 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"s\"$ = number of 9th grade students
\n" ); document.write( " $\".9s+=+180\"$
\n" ); document.write( " $\"s+=+180%2F.9\"$
\n" ); document.write( " $\"s+=+200\"$
\n" ); document.write( "If 90% take algebra, 10% do not take algebra
\n" ); document.write( " $\".1%2A200+=+20\"$
\n" ); document.write( "20 9th grade students do not take algebra
\n" ); document.write( " \n" ); document.write( "

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