On a certain day it took 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 drive 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 drive 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 for Sue that day was 64 kilometers per hour.
A
Don’t understand the question at all. (asked , 28)
(原题是不是有错误)
Joanna bought only $0.15 stamps and $0.29 stamps. How many $0.15 stamps did she buy?
(1) She bought $4.40 worth of stamps.
(2) She bought an equal number of $0.15 stamps and $0.29 stamps. E
条件2 只说了数量一样,并没有确定的值怎么也正确呢?
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发表于 2008-4-2 11:24:00
Thanks a lot.
