Problem: what is a number between 12 and 29 with the sum in the tens place
The sum of the digits is the same as the digit in the tens place
There is only one number that satisfies those conditions: 20.
20 is between 12 and 29.
The sum of the digits, 2 and 0, is 2.
The digit in the tens place of the number 20 is 2.