A thief is running at a speed of 144 m/min. A cop is running 40 metres behind the thief at a speed of 9 km/h. In how much time, the cop can reach to the thief?
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Step-by-step explanation:
1000m=1km
the distance is
1000
100
=.1km
let time =x
10x=0.1+8x
2x=0.1
x=0.05
it will take the policeman .05hours to catch the thief
the thief would have run .05×8=.4km=400meters
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