Answer :
Bailey: 45
Fido: 60
Gunner: 75
Spot: 30
Each divided by 5: (common multiple to simplify)
B: 9
F: 12
G: 15
S: 6
Bailey to Fido
B : F
9 : 12
Fido to Bailey
F : B
12: 9
Gunner to Spot
G : S
15 : 6
Spot to Gunner
S : G
6 : 15
Fido: 60
Gunner: 75
Spot: 30
Each divided by 5: (common multiple to simplify)
B: 9
F: 12
G: 15
S: 6
Bailey to Fido
B : F
9 : 12
Fido to Bailey
F : B
12: 9
Gunner to Spot
G : S
15 : 6
Spot to Gunner
S : G
6 : 15