Решить по на ! on a desert island 1000 men can live for 30 days on the food they have. after 16 days 400 more men arrive. if they now eat half as much food as they did before, how long can they survive? give your answer to the nearest day

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Валерия3445

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4,6(20 оценок)

×–6=2. на первое ×=2+6 ×=8 a+8 a=2-8 a=-6

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