lakeithiat7147 lakeithiat7147 28-01-2024 Physics contestada A person covers 1/4 of his journey at the speed of 25 km/h, 1/2 of the journey at 40 km/h, and the remaining at the speed of 50 km/h. Find his average speed per hour for the whole journey. a) 35 km/h b) 37.5 km/h c) 40 km/h d) 45 km/h
