IKMC 2027 - Grades 7-8 - Self-study SET 7 - Thematic Batch 3 Question 9

John writes a number on each edge of a cube, then labels each vertex with the sum on its three incident edges. The labels at A, B, C, D, E, F and G are respectively 16, 17, 20, 26, 24, 22 and 14. What is the label at H?