Question

17. A thief walks at a speed of 4 km/hr and can run at a speed of 5 m/sec. He walked for some time
before he saw a policeman and ran way. If he covered a total distance of 2.5 km in 20 minutes, find
out how much distance had he walked and in how much time before he saw the policeman.​

Answer 1

Step-by-step explanation:

the answer is 4.2 h..... and this is perfect answer

hint use time time =dist / speed+ Dist 2 / speed 2 ..... T = 14 /5+14/10=4.2,H