Sidney flew in an airplane five times during her vacation.The flights averaged 2 hours 28 minutes long The lengths of her first four flights were 2 hours 10 minutes,3 hours 20 minutes,1 hour 15 minutes,

Sidney flew in an airplane five times during her vacation.The flights averaged 2 hours 28 minutes long The lengths of her first four flights were 2 hours 10 minutes,3 hours 20 minutes,1 hour 15 minutes,and 2 hours 40 minutes.What was the length of her last flight?

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Sidney flew in an airplane five times during her vacation.The flights averaged 2 hours 28 minutes long The lengths of her first four flights were 2 hours 10 minutes,3 hours 20 m…

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