Xiao Pang is 8 years old and his father is 36 years old. How old were they when they were 62?

Let the sum of their ages after X years be 62.

8+36+2x=62

2x=62-44

2x= 18

x=9

8+9= 17

36+9=45

A: One is 17 years old and the other is 45 years old.

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