fif·ty–fif·ty 
/ˌfɪftiˈfɪfti/ adjective
/ˌfɪftiˈfɪfti/ adjective 1 : shared equally
▪ a fifty-fifty split [=an equal split] ▪ a fifty-fifty blend of cotton and polyester 2 : equally good and bad
▪ We have a fifty-fifty chance of succeeding. [=we are as likely to succeed as we are to fail]
▪ a fifty-fifty split [=an equal split] ▪ a fifty-fifty blend of cotton and polyester
▪ We have a fifty-fifty chance of succeeding. [=we are as likely to succeed as we are to fail]
— fifty–fifty adverb
▪ They divided/split the expenses fifty-fifty. [=equally]
▪ They divided/split the expenses fifty-fifty. [=equally]
