In a class of 50 students, 20 are taking french and 20 are taking german. of the students taking french or german, 10 are taking
both languages. how many students are not taking either french or german?
1 answer:
Hello. Good?
Formula for calculating two overlapping sets:
A + B - both + not (A or B) = Total
20 (french) + 20 (german) - 10(both) + Not = 50
40 - 10 + not = 50
30 + not = 50
not = 50 - 30
not = 20
Answer: 20 students do not speak french or german.
Thanks, I hope I have helped.
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