SOLUTION: My uncle's birthday is today. He is less than 100 years old, and his age is 6 times the sum of its digits. How old is he?

Question 821174: My uncle's birthday is today. He is less than 100 years old, and his age is 6 times the sum of its digits. How old is he?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Being less than 100, he has 2 digits in his age
Let the tens digit =
Let the units digit =
-----------------------
given:

The only digits that satisfy this:

He is 54
--------
check:

OK
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