walucie

In a sentence

• Za produkty w sklepie można zapłacić jedynie w walucie lokalnej.

  You can pay for products in the store only in the local currency.

  In this sentence, 'walucie' is used as a noun in its locative case, associated with the preposition 'w' to denote the medium of payment.

• W tej walucie wartość pieniądza zależy od kursu wymiany.

  In this currency, the value of money depends on the exchange rate.

  Here, 'walucie' also appears in the locative case, specifying the context of discussion about the monetary value.

• Podróżując do innego kraju, trzeba wymienić pieniądze na walutę tego miejsca.

  When traveling to another country, you have to exchange money for the currency of that place.

  Here, 'walutę' is used in the accusative case, related to the action of exchanging money.