1. The problem statement, all variables and given/known data I have 32 bills in my wallet in the denominations $1, $5, and $10, worth $100 in total. How many of each denomination do I have? 2. Relevant equations A= # $1 bills B= # $5 bills C= # $10 bills A+B+C = 32 1A+5B+10C = 100 3. The attempt at a solution So I attempted to solve for C in terms of A and B in terms of A but I'm getting nowhere.