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January 31, 2015

January 31, 2015

Posted by **vincent** on Wednesday, July 17, 2013 at 1:13am.

- math. -
**mahesh**, Wednesday, July 17, 2013 at 1:23amDistance covered in 4 hrs=4y

Return distance=2x4y=8y and speed=5y Hence time of return trip=8y/5y=1.6hr

Halt=1hr

Total time=4+1+1.6=6.6hrs

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