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Answer :

Answer:

Explanation:

Solution,

For Johnathan

Distance(d)=800m

Time(t)=200sec

Now,

Speed=d/t=800/200=4m/s

For Abby

Distance(d)=200m

Time(t)=40sec

Now,

Speed=d/t=200/40=5m/s

Here, Abby is faster by 1m/s.