Предмет: Математика, автор: gaca6107

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Задача. Два велосипедисти виїхали одночасно з Житомира в сторону Києва. Швидкість першого - 20 км/год, а другого - 24 км/год. Через скільки годин після старту відстань між велосипедистами складатиме 28 км?

Ответы

Автор ответа: mariyana1805dan

0

Ответ:

Розв’язання:

Знайдемо швидкість віддалення двох велосипедів:

24 – 20 = 4 км/год

Розрахуємо час віддалення велосипедистів на відстань 28 км:

28 : 4 = 7 год.

Відповідь: через 7 год

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