Answer:
Expression used to convert 22 Australian Dollar to US Dollar is \(\frac{22}{1.2}\)
Step-by-step explanation:
Given:
22 Australian Dollars.
To Do: Expression which can be used to convert Australian dollar to Us dollar.
Let, x be the number of Australian Dollars and y be the US Dollars.
We know that 1.2 Australian Dollar equal to 1 US Dollar.
⇒ 1 Australian Dollar = \(\frac{1}{1.2}\) US Dollar
So, x Australian Dollar = \(\frac{1}{1.2}\times x\:=\:\frac{x}{1.2}\) US Dollar
Thus, Expression that can be used to convert Australian Dollar into US Dollar is given by,
\(y=\frac{x}{1.2}\)
So. 22 Australian Dollar
put x = 22
\(y=\frac{22}{1.2}=18.3\) US Dollars
Therefore, Expression used to convert 22 Australian Dollar to US Dollar is \(\frac{22}{1.2}\)
