X was born three years after Y and Z got married. Y is three years younger than Z. Currently, X is 20 years younger than Y. Three years from now, the ...
Question
X was born three years after Y and Z got married. Y is three years younger than Z. Currently, X is 20 years younger than Y. Three years from now, the ratio of Z's age to Y's age will be . How many years ago did Y and Z get married?