Solution

155190

Problem / game
Hollow Squares Back to problem
First name
Tony and Laurenc
School
Greenacre Public School
Country
Australia
Age
11

First, since it's a square, we divided 960 by 4 and then we listed all the possible factors. This includes: 1 times 240, 2 times 120, 3 times 80, 4 times 60, 5 times 48, 6 times 40, 8 times 30, 10 times 24, 12 times 20, and 15 times 16. Overall, there are 10 possible formations.