Предмет: Математика, автор: lilika01

За 2 целых 2/3 часа велосипедист проехал 24 км . За какое время он проедет 30 км?

Ответы

Автор ответа: Rechnung

0

1) 2 2/3 ч= 8/3 ч
2)24 : 8/3=9(км/ч)-скорость велосипедиста
3)30:9=3 1/3(ч)- время велосипедиста

2 способ - пропорция
8/3 ч ----------- 24 км
х ч -----------30 км

х=(30* 8/3):24=10/3 = 3 1/3 (ч)

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