In a statistics class there are 20 students and in a mathematics class there are 30 students. Find the total number of students if these two classes i) run at same time ii) run at diffrent time and 10 students are enrolled in both courses.
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In a statistics class there are 20 students and in a mathematics class there are 30 students. Find the total number of students if these two classes i) run at same time ii) run at diffrent time and 10 students are enrolled in both courses.
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