We have a 'fifty-fifty' chance of succeeding. [=we are as likely to succeed as we are to fail]
The bill for dinner came to $43, and she gave him a 'fifty'.
They divided/split the expenses 'fifty-fifty'. [='equally']
(..) (SINGING) Hearts ablaze, banners high We go marching into battle Unafraid, although the danger's just increased MOB: Raise the flag, sing the song Here we come, we're fifty strong And fifty Frenchmen can't be wrong Let's kill the beast! (GRUNTING) COGSWORTH: We need help. (..)2017 Beauty and the Beast