the speed of a train is increased from 80 kilometre hours to 120 km/h to 120 km/s. find the percentage increase
step by step explanation pliz
Answers
Answered by
1
Answer:
50%
Step-by-step explanation:
Initial speed = 80 km/hr
Final speed = 120 km/hr
Change in speed = 120-80 = 40 km/hr
Percentage of change in speed = 40/80 × 100%
= 50%
Answered by
4
Answer:
% increase is 50%
Step-by-step explanation:
% increases=change in speed×100/original speed
=(120-80)×100/80
=40×100/80
=50 %
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