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26.5 min=(26.5/60)hrs=53/120 hrs at 88.4km/h: the distance covered is 88.4*(53/120)= 39.04km
12.3min=(12.3/60)hrs=41/200 hrs at 97.4km/h: the distance covered is 97.4*(41/200)=19.967km
52.5min=(52.5/60)hrs=7/8 hrs at 33.5km/h: the distance covered is 29.3125km
the total distance= 29.3125km+19.967km+39.04km
total distance= 88.3195km
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