Between two

There are regular flights between two airports 690 km apart. A plane leaves the first airport at 6:30 at an average speed 60 km/h greater than the second plane, which leaves the second airport at 7:00. The planes always pass each other at 9:00. What is the speed of each plane? How far from the first airport do they always meet?

Final Answer:

v1 =  180 km/h
v2 =  120 km/h
s1 =  450 km

Step-by-step explanation:

s1=v1 (9.006.5)=180 (9.006.5)=450 km



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