Mathematics, 17.06.2021 08:10 camillanewberry

2) In a class of 31 students, some study Physics and some study Chemistry. If 22 study Physics, 20 study Chemistry and 5 study neither. Calculate how many take:
a) both Physics and Chemistry
b) just Physics
c) just Chemistry

Answers: 3

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2) In a class of 31 students, some study Physics and some study Chemistry. If 22 study Physics, 20...

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More questions: Mathematics Another questions

2) In a class of 31 students, some study Physics and some study Chemistry. If 22 study Physics, 20 study Chemistry and 5 study neither. Calculate how many take: a) both Physics and Chemistry b) just Physics c) just Chemistry

Answers

Another question on Mathematics

2) In a class of 31 students, some study Physics and some study Chemistry. If 22 study Physics, 20 study Chemistry and 5 study neither. Calculate how many take:
a) both Physics and Chemistry
b) just Physics
c) just Chemistry