i am thinking a number the number in the tens is less than the number in ones.

To find the number you are thinking of, I will explain a method called linear search. Since the number in the tens is less than the number in ones, we can start by trying all possible combinations where the tens digit is less than the ones digit.

We can start by assuming the tens digit to be 0. Then we can try numbers with tens digit 0, 1, 2, and so on, until we reach a combination where the tens digit is less than the ones digit.

Let's go through the possible combinations step by step:

0_ --> The tens digit is 0 and the ones digit can be any number from 1 to 9.
10 --> The tens digit is 1 and the ones digit can be any number from 0 to 9.
20 --> The tens digit is 2 and the ones digit can be any number from 0 to 9.
...
90 --> The tens digit is 9 and the ones digit can be any number from 0 to 9.

At each step, you can think of a number that satisfies the condition (tens digit < ones digit). Once you have a number in mind, let me know, and I'll tell you if it matches your condition or not.