题目信息
In order to qualify for the year-end tennis tournament, Sam must win at least 60 percent of his matches this year. Presently Sam has won 14 of his 18 matches. Of Sam's 13 matches remaining in the year, what is the least number that he must win in order to qualify for the year-end tournament?
A:4
B:5
C:6
D:7
E:8
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正确答案：
B:5
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Magoosh
