Out of the total number of books purchased by libraries A and B together in 2008, only 20% are graphic novels. What is the total number of graphic novels purchased for libraries A and B together in 2008?
A
324
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B
312
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C
272
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D
336
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E
288
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Solution
The correct option is C 272 Total number of books purchased by libraries A and B together in 2008 = 520+840=1360 Number of graphic novels purchased for libraries A and B together in 2008 =20% of 1360 =20100×1360=272