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In a class of 30 students, 20 take mathematics, 17 take physics and 2 take none of the two subjects. How many students take both subjects?​
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2 votes
In a class of 30 students, 20 take mathematics, 17 take physics and 2

take none of the two subjects. How many students take both
subjects?​

User Kirk Larkin
by
3.1k points

1 Answer

6 votes
Since 2 don’t take either of the classes you can minus them out of the total giving us 28 students and then 20+17 is 37 that mean 9 of them take both
User Riyas TK
by
3.2k points
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