Problem
First name
Callum
School
South Harringey Junior School
Country
Age
9
My solution to the problem is in order from left to right is: 6,9,11,12,4,14 and 7.
6+9=15
9+11=20
11+12=23
12+4=16
4+14=18
14+7=21
P.S. No other solution to this.I triple checked it.