Предмет: Математика, автор: Андрей07085

Для вспашки 8га земли на тракторе израсходовали 168 л горючего поровну на каждый гектар Сколько потребуется литров горючего чтобы вспахать 20га земли при том же расходе горючего на 1 Га?Сколько гектаров земли можно вспахать имея 84 л горючего?

Ответы

Автор ответа: Zarinok
0

168:8=21л.потребуется для вспашки 1га

20*21420 литров потребуется для 20га

84:21=4 га можно вспахать имея 84 л. горючего

Автор ответа: warmvscold
0

168/8=21-литров горючего требуется на 1га

21*20=420-литров потребуется чтоб вспахать 20га

84/21=4-га можно вспахать на 84

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