Предмет: Математика, автор: aritina

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Автор ответа: lPiRoZoKl

Ответ:

400 тысяч

Пошаговое объяснение:

Пусть х общее колличество войск, тогда на южных границе 0.3х, а на восточной 0.3х * 1 2/3 х, тогда:

0,3х+(0,3х * 1 2/3 х) +80 = х

0,3х+0,5х +80 = х

80 = 0,2х

х=400

Автор ответа: alinushka221207

Ответ:

500 тыс.

Пошаговое объяснение:

7/8*80 000=70 000

70 000+80 000=150 000

100%-?

30%-150 000

100*150 000:30=500 000

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