Two planes took off for 11 h from the airport at the same time in opposite directions. In 14 h the distance between them was 3540 km. Skortst one plane of 620 km/h. Find the speed of other plane.

2
In total 14-11=3 hours flew the First plane flew by 620*3=1860 km of the Second flew by 3540-1860=1680 km the Speed of the second 1680÷3=560 km/h of Answer: 560 km/h

1) 14-11=3 (h) - time

2) 620*3=1860 (km) - distance of the first plane

3) 3540-1860=1680 (km) - distance of the second plane

4) 1680/3=560 (km/h) - the speed of the second plane

Answer's

: speed of the second plane is-560 km/h

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