Respuesta :

Y/X= 35-12. Y/X is the number of cards Felix has. Idk if that’s correct but I think it is
H = 35
F = H - 12

F = 35 - 12 <===
F = 23

or could be
H = 35
H = F + 12

35 = F + 12 <===
35 - 12 = F
23 = F