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

游客2024-08-08 9

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 0.875

解析设现在的时间为X，根据题意可得下列方程式：24一(x+2)=1／2[24一(x+1)]，得x=21，所以现在是21：00。

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Ifitweretwohourslater,itwouldbehalfaslonguntilmidnightasitwould