# Coffee

In-stock are three kinds of branded coffee prices:

I. Kind. .. .. .205 Kc/kg

II. Kind. .. .. .274 Kc/kg

III. Kind. .. .. 168 Kc/kg

Mixing these three species in the ratio 8:5:6 create a mixture. What will be the price of 100 grams of this mixture?

I. Kind. .. .. .205 Kc/kg

II. Kind. .. .. .274 Kc/kg

III. Kind. .. .. 168 Kc/kg

Mixing these three species in the ratio 8:5:6 create a mixture. What will be the price of 100 grams of this mixture?

### Correct answer:

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#### You need to know the following knowledge to solve this word math problem:

**statistics**- weighted average
**algebra**- equation
- system of equations
**arithmetic**- multiplication
- division
- addition
**basic functions**- direct relationship
**numbers**- rational numbers

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