Mathematics
Mathematics, 11.01.2020 10:31, Obememe

Ireally need on these im sooo

a store is selling two mixtures of coffee beans in one-pound bags. the first mixture has 12 ounces of sumatra combined with 4 ounces of celebes kalossi, and costs $15. the second mixture has 4 ounces of sumatra and 12 ounces of celebes kalossi, and costs $21. how much does one ounce of sumatra and one ounce of celebes kalossi cost?

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Ireally need on these im sooo

a store is selling two mixtures of coffee beans in one-...

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