A train travels total distance of 200 km . for 40 km it takes 1 hr next 100 km it takes 1.5 hr and the rest with some speed . If average speed of the train for entire journey is 60km/hr find speed of the train in the last part of the journey.
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Answers
Answered by
18
Total distance =200
Let the journey of last part=x
Total speed =40+100/90+x=60
370+9x=600
9x=230
x=25.55
Let the journey of last part=x
Total speed =40+100/90+x=60
370+9x=600
9x=230
x=25.55
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Answered by
6
Answer:
Explanation:
Total distance =200
Let the journey of last part=x
Total speed =40+100/90+x=60
370+9x=600
9x=230
x=25.55
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