a man completes 30 km of a journey at 6 km per hour and the remaining 40 km in 5 hours find his average speed for whole journey
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D=s*t
For 30 km
30=6*t
T=5hr
For 40 km
40=5*t
T2=8hr
Now average speed is total distance /total time
Total distance =40+30=70
Total time = 5+8=13
Average speed =70/13=5.384 hr
For 30 km
30=6*t
T=5hr
For 40 km
40=5*t
T2=8hr
Now average speed is total distance /total time
Total distance =40+30=70
Total time = 5+8=13
Average speed =70/13=5.384 hr
sanjeetraj0404:
hr
and other 40 is the distance to be travelled from above solution
so you mean that : find speed with total dostance that is 40 an total time that is ?
2/3hr
i got it
yaaa
thanks
one more
ok I can travel the distance between the home and the office which are 1.2 km apart in 1.8 minutes how much faster must travel to do the distance in 1.5 minutes is it same like that is self
yes it's same type
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