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[Problem Solving]

试题详情

题目:

The charge for a single room at Hotel P  is 25 percent less than the charge for a single room at Hotel R  and 10 percent less than the charge for a single room at Hotel G . The charge for a single room at Hotel R  is what percent greater than the charge for a single room at Hotel G  ?

选项:

A、15%
B、20%
C、40%
D、50%
E、150%

答案:

B

提问:

请问这题为什么选D而不是B呢?要weaken的题中说法是,Max100这笔轮胎订单中,Rubco会收支平衡。B说Rubco可以通过与M公司其它的轮胎合同来赚钱,D说Rubco可以通过客户修车换轮胎来赚钱,怎么判断哪个更有效率呢?

解答:

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