Mathematics, 23.06.2019 22:00, twan6425

If jana drives 6 hours at a speed of 60 miles/hour and 9 hours at a speed of 62 miles/hour, what is her average speed in miles/hour during her 15 hours of driving? a) 51.20 b) 58.46 c) 61.20 d) 64.30

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If jana drives 6 hours at a speed of 60 miles/hour and 9 hours at a speed of 62 miles/hour, what is...