Предмет: Математика, автор: koldin86

Группа туристов шла из поселка до озера 75 мин со скоростью 80 м/мин,а обратно возвращалась со скоростью 60 м/мин. На сколько больше времени туристы затратили на обратный путь?

Ответы

Автор ответа: princesmouse
16


Находим расстояние t·v.

75·80 = 6000 метров

Следуя вышеприведённой формуле время = s÷v

6000÷60 = 100 мин.

100-80 = 20 мин

Ответ : На обратный путь туристы затратили на 20 мин больше.


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Раскройте скобки и запишите предложения полностью в Present Simple, Past Simple, Future Simple или Present Continuous.

1. Kate (to cook) dinner every day. _____________________________________________________________

2. Kate (to cook) dinner tomorrow. _____________________________________________________________

3. Kate (to cook) dinner now. _____________________________________________________________

4. Kate (to cook) dinner yesterday. _____________________________________________________________

5. I (not to eat) ice cream every day. _____________________________________________________________

6. I (not to eat) ice cream now. _____________________________________________________________

7. I (not to eat) ice cream tomorrow. _____________________________________________________________

8. I (not to eat) ice cream yesterday. _____________________________________________________________

9. He (to spend) last summer in the country. _____________________________________________________________

10. He (not to spend) last summer in the country. _____________________________________________________________

11. He (to spend) last summer in the country? _____________________________________________________________

12. Where he (to spend) last summer? _____________________________________________________________

13. She (to help) mother yesterday. _____________________________________________________________

14. She (not to help) mother yesterday. _____________________________________________________________

15. She (to help) mother yesterday? _____________________________________________________________

16. How she (to help) mother yesterday? _____________________________________________________________

17. You (to go) to school every day? _____________________________________________________________

18. You (to go) to school now? _____________________________________________________________

19. You (to go) to the south next summer? _____________________________________________________________

20. You (to go) abroad last summer? _____________________________________________________________

21. What your brother (to do) every day? _____________________________________________________________

22. What your brother (to do) now? _____________________________________________________________

23. What your brother (to do) tomorrow? _____________________________________________________________

24. What your brother (to do) yesterday? _____________________________________________________________

25. What you (to get) for your birthday? _____________________________________________________________