the decade of one's life from age 40 through age 49

listen to the pronunciation of the decade of one's life from age 40 through age 49
Английский Язык - Турецкий язык

Определение the decade of one's life from age 40 through age 49 в Английский Язык Турецкий язык словарь

forties
{i} kırk yaşlarında
forties
{i} kırklı yıllar
Английский Язык - Английский Язык
forties

They're both in their forties.