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Mathematics, 05.07.2019 13:30 manuel6885

On a backpacking trip through europe, troy spent 20 swiss francs to stay one night in a youth hostel. if the foreign exchange rate between the u. s. dollar and the swiss franc is 1: 2.2, how much did troy spend in u. s. dollars?

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On a backpacking trip through europe, troy spent 20 swiss francs to stay one night in a youth hostel...
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