Question

Which expression can be used to convert 22 Australian dollars to US dollars? Assume 1.2 Australian dollars equals 1 US dollar

Answer 1

If you're just trying to find out what it wold be (22 Australian $ would be 18.33 US $)

Answer 2

`22\text{ AUD}* 0.833\text{US dollar}`

Explanation:

We are asked to determine the expression that can be used to convert 22 Australian dollars to US dollars.

`1.2\text{Australian dollar}=1\text{US dollar}`

Divide both sides by 1.2:

`\frac{1.2\text{Australian dollar}}{1.2}=\frac{1\text{US dollar}}{1.2}`

`1\text{ Australian dollar}=\frac{1\text{US dollar}}{1.2}`

`1\text{ Australian dollar}=0.833\text{ US dollar}`

To convert 22 Australian dollars to US dollars, we will multiply 22 Australian dollar by
`0.833\text{US dollar}`

Therefore, our required expression would be
`22\text{ AUD}* 0.833\text{US dollar}`.