natalya2321

22.04.2023

Реши задачу: От школы одновременно в противоположных направлениях пошли мальчик и девочка. Девочка шла со скоростью 70 м/мин, а скорость мальчика была на 10 м/мин больше. Какое расстояние будет между ними через 20 мин?

Английский язык

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А Дзукаев1562

22.04.2023

300 метров.

Объяснение:

1) 70 + 10 = 80 (скорость мальчика)

2) 20 * 70 = 140 (метров пройдет девочка)

3) 20 * 80 = 160 (метров пройдет мальчик)

4) 160 + 140 = 300 (метров будет между ними через 20 минут)

Выражение: (20 * 70) + (20 * (70 + 10)) = 300

ответ: 300 метров.

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Реши задачу: От школы одновременно в противоположных направлениях пошли мальчик и девочка. Девочка шла со скоростью 70 м/мин, а скорость мальчика была на 10 м/мин больше. Какое расстояние будет между ними через 20 мин?

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