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The ratio of lefthanded to righthanded students in the school was 3 to 14. If the total number in both categories was 714, how many righthanded students were in the school

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each group of students is 17 (3 left, 14 right)

714/17 = 42

so, there are 3*42 = 126 lefties
and there are 14*42 = 588 righties

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