AMC 8 1995 Problem 14
AMC8 1995 年第 14 题
百分比★★★☆☆
A team won 40 of its first 50 games. How many of the remaining 40 games must this team win so it will have won exactly 70 % of its games for the season?
一支队伍在前 50 场比赛中赢了 40 场。在剩下的 40 场比赛中他们必须赢多少场，才能使整个赛季的胜率恰好为 70%？
- A.20
- B.23
- C.28
- D.30
- E.35
正确答案 · Correct Answer
B
解析 · Solution
解析整理中
继续练习