甲乙丙三位朋友合租一辆出租车
- 时间:2020-05-16 19:48:28
- 分类:数学世界
- 阅读:151 次
甲乙丙三位朋友合租一辆出租车,讲好大家按路程分摊车费。甲在全程的五分之一处下车,到了二分之一处乙也下了车,丙一个人坐到终点,共付51元钱。甲、乙应各付给丙多少钱?
数学题解答:这是一道按比例分配的数学问题。最后钱是由丙付的,所以按照分摊车费的原则,甲、乙应该付给丙一些钱。
三人所坐车程比为:1/5:1/2:1,将每项都乘10,得到整数比为2:5:10。
2+5+10=17
甲要付:51 × 2/17 = 6(元)
乙要付:51 × 5/17 =15(元)
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