Respuesta :
A: 8:14. This is because of there are 14 books total and 6 are new, 14-6=8 so 8 are old. Simplified this is 4:7
B: 6:8 this is just the amount of new books compared to the amount of old. Simplified, this is 3:4
B: 6:8 this is just the amount of new books compared to the amount of old. Simplified, this is 3:4