In a group of students, 20 study Account, 21 study Mathematics, 18 study History, 7 studyAccount only. 10 study Mathematics only, 6 study Ac

Question

In a group of students, 20 study Account, 21 study Mathematics, 18 study History, 7 studyAccount only. 10 study Mathematics only, 6 study Account and Mathematics only and 3 study Mathematics and History only. How many students study all the subjects?How many students are there altogether?4Set​

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Everleigh 2 months 2021-12-03T04:04:45+00:00 1 Answer 0 views 0

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    2021-12-03T04:06:01+00:00

    Answer:

    There are 66 students all together

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14:4+1-6*5-7*14:3+5 = ? ( )