A class had less than 30 students; 1/3 of the class got
B's, 1/4 got a B-, 1/6 a C, and 1/8 got an F. The rest got A's. How many
students got an "A"? The only common denominator less than 30 is 24. The
students with a B = 8, B- = 6, C=4, F=3. 3 received an A.
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