This year, the number of seventh graders at a middle school has increased by 20% (on top of the number of seventh grader last year). there are now 180 seventh graders. What was the number of seventh grader

JensS asked Jun 20, 2023

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JensS asked Jun 20, 2023

by JensS

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10 votes

144 bc 180*(1-.2) = 144

Leenephi answered Jun 24, 2023

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