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

游客2023-10-15 18

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

解析设现在时间为x，根据题中的时间倍数关系，可列出2×[24一(x+2)]=24-(x+1)，解得x=21，所以时间是21点。

转载请注明原文地址:https://tihaiku.com/zcyy/3100260.html

相关试题推荐

随机试题

最新回复(0)

Ifitweretwohourslater,itwouldbehalfaslonguntilmidnightasitwould