题目信息
Two buses and a van were employed to transport a class of students on a field trip. $$\frac{3}{5}$$ of the class boarded the first bus. $$\frac{2}{3}$$ of the remaining students boarded the second bus, and the rest of the students boarded the van. When the second bus broke down,$$\frac{ 1}{2}$$ of the students on the second bus boarded the first bus. What fraction of the class was on board the first bus?
A:$$\frac{1}{2}$$
B:$$\frac{2}{3}$$
C:$$\frac{11}{15}$$
D:$$\frac{23}{30}$$
E:$$\frac{4}{5}$$
参考答案及共享解析
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正确答案：
C:$$\frac{11}{15}$$
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