please answer this!!!
Attachments:
Answers
Answered by
0
with a speed of 6km/hour
Answered by
1
distance = 2 km
total time = 30 min = 0.5 hour
initial speed = 3km/h for first 1 km
Hence time taken = distance/speed = 1/3 h
time left = 0.5 - 1/3 = 0.5/3 h
distance left = 1 km
Hence speed at which he should walk the second km would be 1/(0.5/3) = 6 km/h
Similar questions