Mathematics, 18.05.2021 16:10 colestout2993

Out of a group of 63 students, 22 study Biology, 26 study Chemistry and 25 study Physics. 18 study both Physics and Chemistry, four study both Biology and Chemistry
and 3 study both Physics and Biology. One student studies all three subjects. How
many students study Biology only?

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Out of a group of 63 students, 22 study Biology, 26 study Chemistry and 25 study Physics. 18 study...

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