Answer:
650 Country A Dollars
Step-by-step explanation:
1 Country B Dollar = 1.3 Country A Dollar
Country A Dollars for 500 Country B Dollars = 500 x 1.3 = 650
When she exchanged 500 country B dollars On the day she arrived, she receive 650 Country A Dollars.
The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
Roby spent two months traveling in country A. On the day she arrived, the exchange rate was 1.3 country A dollars per country B.
1 Country B Dollar = 1.3 Country A Dollar
Country A Dollars for 500 Country B Dollars = 500 x 1.3
= 650
Learn more about the unitary method;
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