Answer:
If 80% of the games he pitched were winning ballgames, then 100% - 80% = 20% of the games he pitched were not winning ballgames.
Since 48 games represent 80% of the total number of games he pitched, then 48 / 0.8 = <<48/0.8=60>>60 games represent 100% of the games he pitched.
Thus, he pitched a total of 60 games. Answer: {60}.
Explanation: