Physics, 20.08.2019 23:40, fmw812

Larry drives 20.0 km to the east from his house then 20.0 km west back to his house, takes 5.0 mins to find his wallet and leaves again. larry is 40.0 km east of his house 60.0 mins after he left the first time.
a) what is his avg. velocity?
b) what is his avg. speed?

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Larry drives 20.0 km to the east from his house then 20.0 km west back to his house, takes 5.0 mins...