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Source: Official Guide for the GMAT 13th Ed. Problem Solving; #194 Official Guide for the GMAT 2015 14th Ed. Problem Solving; #194

1

Of the final grades received by the

Of the final grades received by the students in a certain math course, 1/5 are A's, 1/4 are B's, 1/2 are C's and the remaining 10 grades are D's. What is the number of students in the course?

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Gravatar Mike McGarry, Magoosh Tutor

Dec 28, 2013 • Comment

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