Question
Shiyun started her harp lesson 25 minutes before 10.00 a.m..The harp lesson lasted 1 hour and 20 minutes. At what time did she finish her harp lesson?
3 m

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Shiyun started her harp lesson 25 minutes before 10.00 a.m..The harp lesson lasted 1 hour and 20 minutes. At what time did she finish her harp lesson?