Question 1016001
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 In a  swimming race  maci swam the first  50 m in 42 seconds . She swam the second 50m in 40  Second .  What is Maci's average Speed during the race 
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The total distance is 50 + 50 = 100 m.


The total time is 42 + 40 = 82 seconds.


The average speed = {{{total_distance/total_time}}} = {{{100/82}}} {{{m/second}}}.