作业帮一道GMAT考题题目：A certain fishing boat is chartered by 6 people w
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一道GMAT考题
题目：A certain fishing boat is chartered by 6 people who are to contribute equally to the total charter cost of $480.If each person contributes equally to a $150 down payment,how much of the charter cost will each person still owe?
选项：A $80,B $66, C $55, D $50, E $45
正确答案是C
但是我不明白,我觉得应该是$70,但是没这选项
请帮我分析一下,谢谢了
题目：A certain fishing boat is chartered by 6 people who are to contribute equally to the total charter cost of $480.If each person contributes equally to a $150 down payment,how much of the charter cost will each person still owe?
选项：A $80,B $66, C $55, D $50, E $45
正确答案是C
但是我不明白,我觉得应该是$70,但是没这选项
请帮我分析一下,谢谢了
一共需要$480
付了共计$150的定金,还剩480-150=$330
330/6=$55
所以每人还差$55.
再问： 最后一句话，不是说，每个人，都预付了150吗？看不住来是一共预付了150啊
再答： 最后一句说的是：每个人平均贡献到150，就是一共的定金是$150. 如果每个人交150，定金岂不是已经150*6=900，远高于租金了吗？
付了共计$150的定金,还剩480-150=$330
330/6=$55
所以每人还差$55.
再问： 最后一句话，不是说，每个人，都预付了150吗？看不住来是一共预付了150啊
再答： 最后一句说的是：每个人平均贡献到150，就是一共的定金是$150. 如果每个人交150，定金岂不是已经150*6=900，远高于租金了吗？
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