For every novel in the library there are 2 science books; for each science book there are 7 economics books. Express the ratio of economics books to science books to novels in the library as a triple ratio.

A    7 : 2 : 1

B    7 : 1 : 2

C    14 : 7 : 2

D    14 : 2 : 1

Solution

Correct Answer: Option D

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