Problem of the Week Vodcast #3

This week's Problem of the Week is a toughie. Hopefully this vodcast will help.

Here's the problem if you haven't seen it yet:

Find digits A and B in the number below so that the following conditions are true: The 5 digit number must be divisible by 4, it must be divisible by 9, and digit A cannot be the same as B...


12A3B


Student have to write the number they came up with, show their work, and explain in writing the steps they took to solve the problem.

Here's the vodcast: