Question

Which expression can beWhich expression can be used to convert 22 Australian dollars to US dollars? used to convert 22 Australian dollars to US dollars?

Answer 1

`C_(USD) = 0.684\cdot C_(AUD)`,
`C_(USD) = 15.05\,USD` (for 22 Australian dollars).

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:

`C_(USD) = (1\,USD)/(1.46\,AUD)\cdot C_(AUD)`

`C_(USD) = 0.684\cdot C_(AUD)`

The amount of 22 Australian dollars in US dollars is:

`C_(USD) = 0.684\cdot (22\,AUD)`

`C_(USD) = 15.05\,USD`