'cinquante à cent'
To say 100 in French, you simply say cent
"Thirty to fifty" is "trente à cinquante" in French.
cinquante
To say 100 in French, you simply say cent. It's like in English where a cent is one hundredth of a dollar, or a century is 100 years.
In French, you would say "cinq heures cinquante du soir" to express 5:50 PM.
the French equivalent of 100 apologies is "mille (1000) excuses"
centCent
In French, you say "cent ans" to mean "100 years old."
j'ai cent ans
Cinquante euros
il a cinquante ans.
Cinquante minutes.