"cent" is French for the number 100.
Cent is "one hundred"
Cent trois. To say any number in the 100s, you use "cent" and then the extra number as normal. So 105 is cent cinq, and 120 is cent vingt.
The number 29.7 to the nearest cent would be 30 cent. This is taught in math class.
50
The greatest number - would be 35 pennies (one-cent pieces)
160
16
It goes after the number
30
mille deux cent quinze (or alternatively: douze cent quinze)
Cent six.
cent