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Sandrine is now 5 times as old as Nicholas, but 7 years from now, she will be 3
Sandrine is now 5 times as old as Nicholas, but 7 years from now, she will be 3
游客
2025-02-24
40
管理
问题
Sandrine is now 5 times as old as Nicholas, but 7 years from now, she will be 3 times as old as he will be then. How old is Sandrine now?
选项
A、15
B、20
C、21
D、25
E、35
答案
E
解析
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