Question

the speed of train is 80 km per hour it is increased to 130 km per hour find the percentage increase it is decreased to 65 km per hour find the precentge decreased

Answer 1

Answer:

62.5 % increase in speed

18.75 % Decrease in compare to Original Speed

50 % Decrease in compare to Increased Speed

Step-by-step explanation:

Original Speed = 80 km/hr

Increased Speed = 130 km/Hr

Increase in Speed = 50 km/Hr

% increase in speed = (50/80)* 100 = 62.5 %

Decreased Speed = 65 km /Hr

Decrease in speed compared to original Speed = 80-65 = 15 km/Hr

% Decrease in speed compared to original Speed = (15/80)*100=  18.75  %

Decrease in speed compared to Increase  Speed = 130-65 = 65 km/Hr

% Decrease in speed compared to Increased Speed = (65/130)*100=  50 %

Answer 2

Step-by-step explanation:

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