3 A jet made a trip to Dublin and back The trip there took

Last updated: 9/15/2023

3 A jet made a trip to Dublin and back The trip there took eight hours and the trip back took 12 hours It averaged 150 mph faster on the trip there than on the return trip Find the jet s average speed on the outbound trip A 180 mph B 450 mph C 510 mph D 640 m