Answer:
1.2x = 22
x = 55/3 ≈ 18.33
22 AUD = 18.33 USD
Step-by-step explanation:
1 USD - 1.2 AUD
x USD - 22 AUD
cross multiply
1.2 · x = 1 · 22
1.2x = 22
multiply both sides by 10
12x = 220
divide both sides by 12
x=55/3 ≈ 18.33
USD - United States dollar
AUD - Australian dollar
