Answer:
I guess the answer is 15
Step-by-step explanation:first we have to find how many they lose
3 wins = 2 losses
9 wins = x
Criss cross them
3x = 9 x 2
3x/3 = 18/3
x = 6 losses
So 9 wins + 6 losses = 15
So they have played 15 times together
I hope this helps