a car completes a journey of 270 km in 3hours 45 minutes . The first one-third of the journey was completed at 60km/hr. Calculate the speed for rest of the journey.
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1/3 of 270km
90km
speed=60km
time=distance/speed
90/60
3/2 hours
1.5 hours
time for rest of journey=3.75-1.5
=2.25
distance=180km
speed=distance/time
180/2.25
18000/225
3600/45
720/9
80 km/hr. ans
hope it helps!
if yes plz Mark it as brainliest.
90km
speed=60km
time=distance/speed
90/60
3/2 hours
1.5 hours
time for rest of journey=3.75-1.5
=2.25
distance=180km
speed=distance/time
180/2.25
18000/225
3600/45
720/9
80 km/hr. ans
hope it helps!
if yes plz Mark it as brainliest.
AmartyaRaj:
ya it's correct thanks bro
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