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Lisa flies from San Francisco to New York (2500 mi) in 5 hours and then flies from New York to Rome (3487.5 mi) at 465 mph. What is the average speed for her entire trip?

 Jul 26, 2020
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Get the total distance sum     then divide by the total time sum 

                                                          Rome time   3487.5 m / 465 m/hr = ........ hr 

 

total distance / total  time  = avg

 Jul 26, 2020

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