a class has 40 students 2/5 of the students in the class are girls 1/2 of the boys 3/8 of the girls know how to swim a) what fraction of the student in the class know how to swim. b) how many students do not how to swim
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Answer:(i)1:2 or 2:1 where 2 is for boys & 1 is for girls
(ii)22 students don't know how to swim
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