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Mathematics, 11.10.2021 01:00 bsheepicornozj0gc

In a group of 30 students, 18 have visited Australia, 15 have visited Botswana and 5 have not visited either country. Work out the number of students who have visited Australia but not Botswana.

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In a group of 30 students, 18 have visited Australia, 15 have visited Botswana and 5 have not visite...

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