



 
Marjon, Let's try something a little simpler.
I can write them down, well I can at least start
Suppose I have written them all. Look at the tens column. How many ones are there? How many twos? How many threes? Now look at the units column. How many ones are there? How many twos? How many threes? Now can you solve the original problem? Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 