Mathematics, 19.05.2021 16:10, cyaransteenberg

Maria’s book collection contains 8 biographies, 6 mysteries, 3 adventures, and 7 science fictions. What is the ratio of biographies and mysteries to the total number of books in Maria’s collections? Simplify the ratio.

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Maria’s book collection contains 8 biographies, 6 mysteries, 3 adventures, and 7 science fictions. W...