# Three examples per-mille

A. Calculate 1.5 ‰ from 4.5 liters of blood. Express the result in milliliters.

B. Calculate three ‰ from € 50,000.

C. The tray they brought breakfast to the landlord's bed is made of an alloy that contains 830 ‰ of silver. How much silver did they use on it if the tray weighed 390 g?

B. Calculate three ‰ from € 50,000.

C. The tray they brought breakfast to the landlord's bed is made of an alloy that contains 830 ‰ of silver. How much silver did they use on it if the tray weighed 390 g?

### Correct answer:

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