10010225 10010225

20-04-2021
Mathematics

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This year's graduating class at Lexington High School is 561 students, which is 87% larger than it was a generation ago. What was the size of the graduating class then?

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lib1612 lib1612

20-04-2021

561 = 187%
561/187=3
1%=3 so 100%=300

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