题目信息
Before a certain tire is used, 40 percent of its total weight consists of tread. If during a lifetime of use, 50 percent, by weight, of the tire's tread is lost and no other parts of the tire is lost, what per cent of the tire's total remaining weight consists of the remaining tread?
A:55%
B:20%
C:25%
D:30%
E:35%
参考答案及共享解析

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已选答案:
正确答案:
C:25%
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