Gary is looking over his receipts from his trip to Europe. When he was in Germany, he exchanged US dollars for euros at a rate of 1:0.7716, and when he was in Poland, he exchanged euros for Polish zloty at a rate of 1:4.0518. To four decimal places, what was the exchange rate of US dollars to Polish zloty?

The exchange rate of US dollars to Polish zloty is 1:3.1264. The correct option is b. 1:3.1264Calculating exchange ratesFrom the question, we are to determine the exchange rate of US dollars to Polish zloty From the given information, Gary exchanged US dollars for Euros at a rate of 1:0.7716 That is, 1 US dollar = 0.7716 Euros Also, he exchanged Euros for Polish zloty at a rate of 1:4.0518That is, 1 Euro = 4.0518 Polish zloty Now, we will find the value of 0.7716 Euros in Polish zloty Since 1 Euro = 4.0518 Polish zloty Then, 0.7716 Euro = 0.7716 × 4.0518 Polish zloty ∴ 0.7716 Euro = 3.1264 Polish zlotyBut1 US dollar = 0.7716 Euros Therefore, 1 US dollar = 3.1264 Polish zloty Hence, the exchange rate of US dollars to Polish zloty is 1:3.1264. The correct option is b. 1:3.1264Learn more on Calculating exchange rates here: