SOLUTION: 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?
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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? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of 9th grade students
If 90% take algebra, 10% do not take algebra
20 9th grade students do not take algebra