Math's Mystery with Xanthe.

Me and Xanthe have finished our Math's Mystery/Codes. I found that this is one of my most challenging Math's Mystery I have done so far. I think it is because I have never done this kind of maths mystery before and that it is new to me. Me and Xanthe were very confused at the beginning but we found out how to do it and we got to the finish! This is our Math's Mystery.