Question

In 1908, John Hurlinger of Austria walked 1,400 kilometers from Vienna to Paris on his hands. The journey took 55 days. What was his average speed per day? 

Answer 1

the distance covered by Mr. john is D = 1400 km

the time of the journey is T = 55 days

the average speed per day of Mr. john was,

D/T = 1400/55 = 24.45 km

thus, his average speed per day was 25.45