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1 hour and 20 minutes = 80 minutes

2 hours and 80 minutes = 200 minutes

280 minutes x 2 = 560 minutes

560 minutes x 1h/60min = 9 1/3 hours = 9 hours and 20 minutes

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12y ago
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Q: How much is 1 hour 20 minites plu 2 hours 80 minites times 2?
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