Problem
First name
Annie, Anna, Siena
School
Weeke Primary School
Country
Age
10
Our solution is
0+3=3
5+2=7
1+7=8
9+4=13
8+6=14
We found all the possibilities there could be for each envolope. We found two possible solutions for the envelopes lablled 3 and 14 and then used trial and error until we found the answer.