Solution

159081

Problem / game
4 Dom Back to problem
First name
Chris
School
Glendenning Pulbic School
Country
Australia
Age
11
Filename
15YQgl-IMG_20181129_132349.jpg

To get the answer you'll have to use trial and error wisely by not using it on silly answers.Make sure you connect each line properly and double check your answer.In the end you should get 12.