From pier at the same time in opposite directions two motor boats sailed away. In 6 h the distance between them was 378 km. Find the speed of the 2nd boat if the speed of the 1st 35 km/h

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1) 35*6=210 (km) - were floated by the 1st boat in 6 hours 2) 378-210=168 (km) - the 2nd boat in 6 hours 3) 168:6=28 (km/h) - the speed of the 2nd boat

1) floated 6*35=210 (km) - tickling a proyshl the boat

2) 378-210=168 (km) - the friend's proyshla the boat

3)168/6=28 (km/year) - skoros the 2nd boat

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