Question
Ivory took a flight from Osaka to Singapore. When it was 08 30 in Osaka, it was 07 30 in Singapore. The flight was 7 h 20 min long. When Ivory landed in Singapore, the clock in the airport showed 15 10. What was the time in Osaka when Ivory's flight departed? Express your answer using the 24-h clock.
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Ivory took a flight from Osaka to Singapore. When it was 08 30 in Osaka, it was 07 30 in Singapore. The flight was 7 h 20 min long. When Ivory landed in Singapore, the clock in the airport showed 15 10. What was the time in Osaka when Ivory's flight departed? Express your answer using the 24-h clock.