Discover new perspectives and gain insights with IDNLearn.com. Get accurate and timely answers to your queries from our extensive network of experienced professionals.
23. Kelvin travelled of his journey at 45 km/h and of the remaining journey at 90 km/h. The rest of his journey was completed in 1.2 h at an average speed of 100 km/h. What was the total time taken for the whole journey?
