<PRE><B>Question 962827</B>
A man travelled on train with the speed of 25km/hour to reach goal then he walked back to his starting point with speed of 4km. it took 5 hours and 48 mins. Total distance covered by the man?
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let x=distance covered by the man
travel time=distance/speed
5 hr 48 min=5 4/5 hr=5.8 hr
..
{{{x/25+x/4=5.8}}}
lcd:100
4x+25x=580
29x=580
x=20
distance covered by the man=20 miles</PRE>