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

游客2024-08-11 53

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?

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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。

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Ifitweretwohourslater,itwouldbehalfaslonguntilmidnightasitwould