It will have a dollar sign and decimal point with two digits on the right of the decimal point.
20.00 dollars 1.00 twenty dollar bill 0.2 C-note
In the absence of any decimal point, it's already there.
In lamens terms of what the guy/girl below me says just move the decimal to the right 2 tmes. easy. you would write it as 390%. to write a percent as a decimal you multiply the decimal by 100 then add a percent sign to the answer.
As a fraction in its lowest terms it is: 13/20 As a decimal it is: 0.65