Question
Barbara started her flute lesson 40 minutes before 9.00 a.m..The flute lesson lasted 1 hour and 20 minutes. At what time did she finish her flute lesson?
3 m

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Barbara started her flute lesson 40 minutes before 9.00 a.m..The flute lesson lasted 1 hour and 20 minutes. At what time did she finish her flute lesson?