Sydney is 20*3 = <<20*3=60>>60 years old.

Mason’s father is 60+6 = <<60+6=66>>66 years old.

# Answer

66
Question:
Mason is three times younger than Sydney and Sydney is six years younger than Mason's father. If Mason is 20 years old, how old is his father?
Answer:
Let's think step by step.

user
66
Mason is three times younger than Sydney and Sydney is six years younger than Mason's father. If Mason is 20 years old, how old is his father?
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