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put this solution on YOUR website!Let's say the daughter is x years old today. That means that Tyrone is 2x years old today.
Six years from now, Tyrone will be 2x + 6 years old.
Six years AGO, the daughter was x - 6 years old, and six years from now, Tyrone will be 3 times that.
So the situation six years from now is that

.
Solving:

, and now we know that the daughter is 24 years old today. That means that Tyrone is 48 years old today.
Check:

, answer checks.