Respuesta :

7. A and B = 4
8. A and C = 8
9. B and D = 5
10. C and G = 10
11. D and F = 6
12. E and F = 5
13. E and B = 6
14. E and A = 10
15. E and G = 8
16. F and G = 13

Thats all I know,  Good Luck