Answer:
I believe your problem is
"A baseball team won 10 games in the last 20 games, what percent of the games did the team win?"
In which case the answer is 50 % of the games
Step-by-step explanation:
The total amount of games played is equal to
20 games
If we apply a rule of three
20 games ------------------------100 %
10 games ------------------------- x
x = (10 games / 20 games) * 100%
x = 0.5*100% = 50%