Thirty in french is trente
You would say "il a trente et un ans" in French to mean "he is thirty-one."
I brought thirty friends is " j'ai amené trente amis " in French.
Seven thirty am is "sept heures trente" or "sept heures et demie" in French.
fearson
trente sept
"Thirty to fifty" is "trente à cinquante" in French.
trente et un
You would say Huit cent trente.
autour 6:30
sept trente-cinq
deux heurs thrente.
trente-sixième anniversaire heureux