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

1.2(22)=x
x= US Dollar amount of 22 Australian dollars.

Answer 2

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 $\frac{22}{1.2}$