# From one nest at the same time in opposite directions two hornets departed. Through 9 about distance between them was 81 m. Find the speed of one of hornets if the speed of another 5m/page.

Andrey

251

1) 81: 9 = 9 m/s the speed of removal 2) 9 - 5 = 4 m/s speed vtorogo5*9=45m - Will fly by 1 hornet 81-45=36m - the 2nd hornet 36/9 = 4 m/s - speed 2 hornets Will fly by.

106

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