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In a class, 3/4 of the pupils wore spectacles.1/3 of the pupils who did not wear spectacles were boys.What fraction of all the pupils were boys who did not wear spectacles?
10 years ago

Answers

Steve
1/4 did not wear spectacles, so
(1/4)(1/3) = 1/12 were boys without spectacles.
10 years ago

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