Answer:
1:4
Explanation:
100% - 80% = 20%
So, your team has 20% loss.
To express this as odds against the team winning, we divide the probability of losing by the probability of winning:
odds against winning = probability of losing / probability of winning
odds against winning = 0.2 / 0.8
odds against winning = 1/4
So, the answer is 1:4