Question
Mr Riordan is 3 times as old as his son, Justin. 9 years ago, the ratio in the age of Mr Riordan and Justin was 9 : 2. Find Mr Riordan's current age.
2 m

Click button first when a symbol is required. X

Mr Riordan is 3 times as old as his son, Justin. 9 years ago, the ratio in the age of Mr Riordan and Justin was 9 : 2. Find Mr Riordan's current age.