Question

A train travels at an average speed for a distance of 63 km then Travels at a distance of 72 km at an average speed of 6 km per hour more than its original speed if it takes 3 hours to complete total journey what is the original average speed​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

$\sf{\underline{\bullet{Check \;Attachment}}}$