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If the Exchange Rate Is 2 Brazilian Reals Per Dollar

question 52

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If the exchange rate is 2 Brazilian reals per dollar and a meal in Rio costs 20 reals,then how many dollars does it take to buy a meal in Rio?


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Special comments in the Java programming language used to generate documentation, marked by a "/**" syntax.

Instance Variables

Variables declared in a class but outside any method, which hold values that are unique to each instance of the class.

Book Class

A hypothetical or actual class in programming that might represent data and operations associated with books, like title, author, or page count.

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Wrapper classes in Java are classes that encapsulate primitive types into objects, allowing primitives to be treated as objects, useful for operations in collections and APIs requiring objects.

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