In​ 2020, the median age at first marriage of women in a certain country ​(27.5 ​years) was​ _____ percent less than the median age at first marriage of men in that country ​(30.3 ​years).
In​ 2020, the median age at first marriage of women in a certain country ​(27.5 ​years) was

enter your response here percent less than the median age at first marriage of men in that country ​(30.3 ​years).