A thief escapes from a prison. When he was at a distance of 5km from the prison, the police start chasing him with a speed of 20m/s. The thief is running away with speed 10m/s. A police dog starts running as soon as the police starts, with a speed of 30m/s and runs back and forth from the police to the thief and back to the police till the police catch the thief. In kilometers, find the distance that the dog ran in the forward direction only.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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A thief escapes from a prison. When he was at a distance of 5km
from the prison, the police start chasing him with a speed of
20m/s. The thief is running away with speed 10m/s. A police dog
starts running as soon as the police starts, with a speed of
30m/s and runs back and forth from the police to the thief and
back to the police till the police catch the thief.
In kilometers, find the distance that the dog ran in the forward
direction only.
Transcribed Image Text:A thief escapes from a prison. When he was at a distance of 5km from the prison, the police start chasing him with a speed of 20m/s. The thief is running away with speed 10m/s. A police dog starts running as soon as the police starts, with a speed of 30m/s and runs back and forth from the police to the thief and back to the police till the police catch the thief. In kilometers, find the distance that the dog ran in the forward direction only.
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