Destination 80553

The train traveled along the high-speed line at an average speed of 180 km/h. He left the starting station at 6:00 a.m. and arrived at the destination at 8:40 a.m. But halfway through the journey, he stopped at the station, where he stood for 10 minutes. How many km are the departure and destination stations apart?

Correct answer:

x =  450 km

Step-by-step explanation:

v=180 km/h t1=6.00 h t2=8:40=8 hr 40 min =8+6040=8.6667 hr8.6667 t3=0:10=0 hr 10 min =0+6010=0.1667 hr0.1667  t=t2t1t3=8.666760.1667=25=2.5 h  x=v t=180 2.5=450 km



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