Предмет: Математика, автор: lizauskova3

велосипедист ехал 3 часа со скоростью 15 км ч обратно он поехал другой дороге которая была длиннее первой на 5 км сколько времени велосипедист затратил на обратную дорогу если скорость его уменьшилась на 5 км

Ответы

Автор ответа: polina0648

2

1) 3×15=45(км)
2)45+5=50(км)
3)15-5=10(км ч)
4)50÷10=5(ч)

Автор ответа: katygusarova

1

1) 15 × 3= 45 (км) - туда

2) 45 + 5 = 50 (км) - обратно

3) 15 - 5 = 10 (км/ч.) - обратно

4) 50 ÷ 10 = 5 (ч.) - обратно

Ответ: 5 часов

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