Problem / game
First name
parv and bethan
School
Standrews107
Country
Age
11
We found a solution
Here is how we did it
First we wrote down all the pairs of numbers:15,20,23,16,18,21
together we decided to take a systematic approach
Then we tried each of numbers until we found one of the solutions
ANSWER: 6,9,11,12,4,14,7
6