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21 September, 11:22

A survey of 100 students was taken concerning their knowledge of foreign languages. The results were as follows:

30 know French

19 know German

16 know Russian

11 know both French and Russian

12 know both French and German

6 know both German and Russian

4 know all three languages

How many students do NOT know any of the three languages?

+4
Answers (2)
  1. 21 September, 11:33
    0
    96 because 4 know all three and 100-4=96
  2. 21 September, 11:39
    0
    2 because when you add up all the numbers the answer is 98 and 100-98 is 2
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