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at Big City School 4,248 students ride mass transit to school.If this number is 90% of school enrollment then how many students are enrolled?
 Feb 26, 2014

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If N is the number of enrolled students then the question says 90% of N equals 4,248.

90% as a fraction is 90/100 or 9/10, so (9/10)xN = 4248

Divide both sides by 9 and multiply both sides by 10 to find N
 Feb 27, 2014

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