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?
a. 1:0.3199
b. 1:3.1264
c. 1:4.8234
d. 1:5.2512

Question

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Currency Conversion" ], "new_concepts": [], "current_concepts": [ "Currency Conversion", "Exchange Rates", "Dimensional Analysis" ] } ## Identify the given exchange rates Using the *Currency Conversion* knowledge point $$ \begin{aligned} &1\text{ USD} = 0.7716\text{ EUR} \ &1\text{ EUR} = 4.0518\text{ PLN} \end{aligned} $$ ## Calculate the USD to PLN rate Using the *Currency Conversion* knowledge point $$ \begin{aligned} 1\text{ USD} &= 0.7716\text{ EUR} \times 4.0518\text{ PLN/EUR} \ 1\text{ USD} &= 3.12636888\text{ PLN} \end{aligned} $$ ## Round to four decimal places Using the *Currency Conversion* knowledge point $$ \begin{aligned} &3.12636888 \approx 3.1264 \ &\text{Exchange Rate} = 1:3.1264 \end{aligned} $$

a. 1:0.3199

b. 1:3.1264

c. 1:4.8234

d. 1:5.2512

{ "subject": "Business", "question_type": "Multiple Choice", "knowledge_point": [ "Business", "Currency Conversion", "Exchange Rates" ] }

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Question

Explanation:

Identify the given exchange rates

Calculate the USD to PLN rate

Round to four decimal places

Answer: