Question

witch expression can be used to convert 22 Australian dollars to US dollars. assume 1.2 Australian dollars equals one us dollar

Answer 1

Let x represent the number of US dollars required. From the information given,

1.2 Australian dollars equals one us dollar

Thus,

22 Australian dollars = x US dollars

We would have the following equations

1.2 = 1

22 = x

By crossmultiplying, we have

x * 1.2 = 1 * 22

1.2x = 22

Dividing both sides of the equation by 1.2, we have

1.2x/1.2x = 22/1.2

The expression that can be used to convert 22 Australian dollars to US dollars is

x = 22/1.2