If it were two hours later, it would be half as long until midnight as it would

游客2024-08-16 49

问题 If it were two hours later, it would be half as long until midnight as it would be if it were an hour later. What time is it now?

选项

答案 21:00

解析题意为：假如再过两小时，那么距离午夜的时间(24点)将是再过一小时后距离午夜时间的一半。那么假设现在的时间为X，可以列出式子24一(X+1)=2[24一(X一2)]，得出X为21。

转载请注明原文地址:http://tihaiku.com/zcyy/3721711.html

相关试题推荐

随机试题

最新回复(0)

Ifitweretwohourslater,itwouldbehalfaslonguntilmidnightasitwould