In a survey of 263 university students, it was found that 122 of them had taken a foreign language course, 115 of them had taken a science course, and 117 had taken an English course. 24 had taken a foreign language course and an English course, 42 had taken a science course and an English course, and 72 had taken a foreign language course and a science course. 14 took all three courses. You should show your work for this problem. 1. How many students did not take any of the three courses? 2. How many students took a foreign language course and a science course, but not an English course? 3. How many students took a foreign language course or a science course?

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