PLEASE ANSWER THIS QUESTION
BRAINLIEST QUESTION
Travelling at 60 kmph, a person reaches his destination on time. If he travels half the distance in
3/4 of that time, then at what speed should he travel the remaining distance to reach his destination on time?
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Answers
Answered by
12
Let the distance between starting position to the final position be a
Original speed = 60 km / h
Time taken to reach the destination = a/60 hour
Now,
Time left to travel the left half = 1/4 of a/60 = a/240 hours
Speed Required to reach the destination in time = ( Left distance / Left time) = ( a/2) / (a/240) = ( a × 240 / a × 2)
= 120 km / hour
Original speed = 60 km / h
Time taken to reach the destination = a/60 hour
Now,
Time left to travel the left half = 1/4 of a/60 = a/240 hours
Speed Required to reach the destination in time = ( Left distance / Left time) = ( a/2) / (a/240) = ( a × 240 / a × 2)
= 120 km / hour
MERCURY1234:
thank you so much
Answered by
0
Answer:
120 kmph..........
.......
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