Coffee

In stock are three kinds of branded coffee prices:

I. kind......5.3 USD/kg
II. kind......11.6 USD/kg
III. kind.....5.8 USD/kg

Mixing these three species in the ratio 2:8:3 create a mixture. What will be the price of 800 grams of this mixture?


Result

x =  7.43 USD

Solution:

Solution in text x =







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