As given by the question
There are given that the 1 kilogram is equal to 2.2 pounds.
Now,
If 1 kilogram is equal to 2.2 pounds,
Then, x kilogram is:;
[tex]1\text{ kiligram=2.2 pounds}[/tex]Then,
[tex]\text{x kilogram}=2.2\times x=2.2x[/tex]Hence, the correct option is A.