Assume that 155 students are surveyed and every student takes at least one of the following languages. The result of the survey are as follows: 87 take French 83 take German 44 take French and German 40 take German and Russian 21 take French as their foreign language 22 take French, Russian, and German 1. How many take Russian? 2. How many take French and Russian but not German?

Q: 16 as is

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