One hundred dollars
Forty thousand dollars can be written in words as "forty thousand dollars." If you are using it in a formal context, such as a check, you might also write it as "Forty Thousand and 00/100 dollars."
Thirty dollarsFor writing a check: Thirty and 00/100 dollars
Ninety-nine and 99/100 dollars
Like this: Forty and 00/100 dollars
Like so: One hundred five and 00/100 dollars
Eight hundred and twelve dollars (and no/100 or 00/100 if on a check)
Forty thousand dollars can be written in words as "forty thousand dollars." If you are using it in a formal context, such as a check, you might also write it as "Forty Thousand and 00/100 dollars."
Thirty dollarsFor writing a check: Thirty and 00/100 dollars
Fifty-Six and 99/100 Dollars
Eight and 00/100 dollars.
Ninety-nine and 99/100 dollars
One Thousand Eighty dollars and 3/100
Like this: Forty and 00/100 dollars
Four hundred five and 00/100 dollars
Two hundred fifty and 00/100 dollars
Forty-three thousand and 00/100 dollars
four thousand and fifty two dollars and 75/100