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GMAT Prep
How many of the students in a certain class are taking both a history and a science course?
1) Of all the students in the class, 50 are taking a history course.
2) Of all the students in the class, 70 are taking a science course.
OA E
How many of the students in a certain class are taking both a history and a science course?
1) Of all the students in the class, 50 are taking a history course.
2) Of all the students in the class, 70 are taking a science course.
OA E
