Answer:
[tex]C_{USD} = 0.684\cdot C_{AUD}[/tex], [tex]C_{USD} = 15.05\,USD[/tex] (for 22 Australian dollars).
Step-by-step explanation:
A currency can be converted into another one by mutiplying it by a conversion factor. As of today, US$ 1 = AUD 1.46. The expression is described below:
[tex]C_{USD} = \frac{1\,USD}{1.46\,AUD}\cdot C_{AUD}[/tex]
[tex]C_{USD} = 0.684\cdot C_{AUD}[/tex]
The amount of 22 Australian dollars in US dollars is:
[tex]C_{USD} = 0.684\cdot (22\,AUD)[/tex]
[tex]C_{USD} = 15.05\,USD[/tex]
