A car has to cover 280 km in 5 hr . For the first hr it travels at a speed of 50 km per hr . What should be its speed after that to reach the destination in the desired time.
Answers
Answered by
0
Answer:
The required speed is 65km/h.
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Answered by
1
Answer:
the answer is 57.5km/hr
Step-by-step explanation:
the car was travelling at speed of 50km/h for an hr so distance covered is 50km
subtracting from total distance it will be 230km
that distance has to be covered in 4hr
so speed =
i.e. distance / time
therefore speed =57.5km/hr
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