几道数学,请大牛指教

sunyan730

on a certain day it tok Bill three times as long to drive from home to work as it took Sue to drive from home to work.How many kilometers did bill dirve from home to work?

(1)Sue drove 10 kilometers from home to work,and the ratio of distance driven from home to work time to driven from home to work was the same for Bill and Sue that day.

(2)the ratio of distance driven from home to work time to drive from home to work time to drive from home to work for Sue that day was 64km per hour.

e 选项看的不是很懂,能不能大牛解释一下.

[此贴子已经被作者于2007-12-19 17:57:18编辑过]

prayer

以下是引用sunyan730在2007-12-19 17:20:00的发言：

on a certain day it tok Bill three times as long to drive from home to work as it took Sue to drive from home to work.How many kilometers did bill dirve from home to work?

(1)Sue drove 10 kilometers from home to work,and the ratio of distance driven from home to work time to driven from home to work was the same for Bill and Sue that day.

(2)the ratio of distance driven from home to work time to drive from home to work time to drive from home to work for Sue that day was 64km per hour.

e 选项看的不是很懂,能不能大牛解释一下.

哪里的题啊，第一题应该是B吧，x=3

第二题，感觉选项里面的几个to位置不对，第一个条件应该说速率相同，是可以求出答案的。第二个更乱，没看明白