You Can Have Your Cake And Eat It Too...Once You Figure Out How To Cut It

It's problem of the week time ladies and gentleman!  I know how you must sit on the edge of your seat all week eagerly anticipating the next problem I will pick out.  No?  Well, don't ruin it for me.  I like to think somebody gets as excited about math as I do.

Anywho, it was my son's birthday this week, so I decided to pick a problem relating to birthdays (kind of).  What birthday party is complete without cake?  None!  So this week's problem is about cake.  Here it is folks:

Good luck!  Answer will be posted Sunday!

Sincerely,

The Math Freak