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Attempt following question by selecting a choice to answer.
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A book store has a total stock of 19 books of 5th, 6th, 7th and 8th grades. The table shows the number of books of each grade. Find the number of books of 5th grade.
GradeFrequency
5th?
6th3
7th3
8th5
BBBB cccc
A.  c11
B.  c8
C.  c7
D.  c16

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