Answer:
2/4 or 1/2
Step-by-step explanation:
C
First find how many games they need to have 90% by multiplying .9(30)=27
then, 15(.8)=12
Then 27-12=15
Distance formula
Now
#1
#2
#3
#4
#5
5
5-3=2
2/10=1/5