We know that 1 meter is 0.001 km and that 1 minute is 60 seconds.
To transform 15m/s we into km/min we have to multiply 15 by 0.001 and multiply it by 60.

- its the answer
Answer:
2534.081
Step-by-step explanation:
11:10am
20 minutes before 12 noon is 11:40am
30 minutes before 11:40am is 11:10am