Грибы при сушке теряют 86% процентов своей массы. Сколько нужно взять свежих грибов, чтобы получить 7 кг сушеных грибов? 2. Маша купила шоколадку, которая стоила 23 % всей покупки, торт, стоимость которого составляет 55% всей покупки и сок за 99 рублей. Сколько всего денег заплатила Маша за всю покупку? 3. Ремонт дороги проходил 3 дня. В первый день было отремонтировано 10,5 км дороги, во второй день 120% того что отремонтировано в первый день. Сколько дороги отремонтировано за все три дня, если во второй день отремонтировано 60 % того что отремонтировано в третий день? ПОМОГИТЕ СРОЧНО ТЕСТ!

Ответ: 1100-80=20 (%) - получается сухих грибов из свежих Составим и решим пропорцию: 1 кг - 20 % х кг - 100 % 1/х=20/100 х=1*100/20=5 (кг) Ответ: чтобы получить 1 кг сушеных грибов, следует взять 5 кг свежих. 2. Если 40 штук на 105 рублей дороже 25 штук, то 15 шт стоят 105р 15х=105 х=7 - одна шоколадка Наташа купила 25 шт, следовательно, 25*7=175 р Ответ 175 Прости остальное не знаю

Ответ по предмету Математика: Грибы при сушке теряют 86% процентов своей массы. Сколько нужно взять свежих грибов, чтобы получить 7 кг сушеных грибов? 2. Маша купила шоколадку, которая стоила 23 % всей покупки, торт, стоимость которого составляет 55% всей покупки и сок за 99 рублей.

Предмет: Английский язык, автор: bardovav

We have never met before, ________ we?

    a) have not     b) have    c) are      d) do not

2. They have two ___________.

    a) children     b) child    c) childs      d) childrens

3. There are a lot of alligators in _______ Nile.

    a) a     b) an    c) -      d) the

4. _______ too much sugar in the tea. I can't drink it.

    a) There is     b) There are    c) There were      d) There was

5. I want those books. Please, give _______ to me.

    a) they     b) them    c) those      d) these

6. Do you know __________ here?

    a) some     b) any    c) somebody      d) anybody

7. Why _____ you absent yesterday?

    a) did     b) were    c) was      d) are

8. Our baby ______ walk in a few weeks.

    a) can     b) will be able to    c) have to      d) may

9. This way is _______ than the other.

    a) safe     b) safer    c) more safe      d) safest

10. How much money do you spend _____ food each month?

    a) at     b) on    c) for      d) to

11. He will translate the text if he _________ a dictionary.

    a) has     b) will have    c) have      d) has had

12. The TV broke down when we _________ the news.

    a) watched     b) was watching    c) were watching      d) are watching

13. They ______ each other since 1992.

    a) know     b) knew    c) had known      d) have known

14. I _______ for you for half an hour.

    a) am waiting     b) have been waiting    c) wait      d) waited

15. Ann told her friend that she_________ the competition.

    a) won     b) had won    c) win      d) has won

16. Excuse me, I ___________ for a telephone box. Is there one near here?

    a) look     b) looks    c) looking      d) am looking

17. In 1996 when I lived in Moscow I ________________ at a bank.

    a) was working     b) work    c) working      d) have worked

18. She can't take part in this competition. She ________ her leg.

    a) breaks     b) broke    c) has broken      d) broken

19. Tom hurt his hand when he ____________ dinner.

    a) cooked     b) was cooking    c) cooked      d) has cooked

20. That bag looks heavy. I ________ you with it.

    a) will help     b) help    c) helping      d) helped

21. We_________ football with "Spartak" on Saturday last week.

    a) plat     b) have played    c) were playing      d) played

22. I usually ________ home from Lyceum at 5 o'clock.

    a) coming     b) am coming    c) have come      d) come

23. If he _________ busy I'll invite him to the party.

    a) is not     b) is    c) will not be      d) were not

24. We found that she_________ home at 8 o'clock every morning.

    a) leaves     b) left    c) had left      d) has left

25. We _______ dinner until Jack ____________.

    a) will not start ... arrives     b) do not start ... will arrive    c) not start ... arrives      d) will not start ... will arrive

26. Tom asked Jane where __________ on holiday.

    a) will she go     b) she goes    c) would she go      d) she would go

27. Many children in Britain_________ wear uniform when they go to school.

    a) can     b) are able    c) must      d) had to

28. I _______ late for the first lecture yesterday.

    a) am     b) will be    c) was      d) were

29. ___________ some information about this film.

    a) There's     b) There're    c) They're      d) It's

30. If __________ ring the doorbell don't let them in.

    a) everybody     b) anybody    c) nobody      d) everything

31. She is a very quiet person. She doesn't speak ___________.

    a) many     b) little    c) much      d) few

32. I have got ________ money and we can go shopping.

    a) many     b) few    c) much      d) little

33. Nick has a __________ handwriting than you.

    a) well     b) better    c) much      d) good

34. After many years away he arrived back___________ England a month ago.

    a) in     b) at    c) on      d) -

35. This morning I had _________ boiled eggs for ______ breakfast.

    a) the ... the     b) - ... -    c) a ... the      d) - ... the

2 года назад

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Предмет: Английский язык, автор: bardovav

We have never met before, ________ we?

    a) have not     b) have    c) are      d) do not

2. They have two ___________.

    a) children     b) child    c) childs      d) childrens

3. There are a lot of alligators in _______ Nile.

    a) a     b) an    c) -      d) the

4. _______ too much sugar in the tea. I can't drink it.

    a) There is     b) There are    c) There were      d) There was

5. I want those books. Please, give _______ to me.

    a) they     b) them    c) those      d) these

6. Do you know __________ here?

    a) some     b) any    c) somebody      d) anybody

7. Why _____ you absent yesterday?

    a) did     b) were    c) was      d) are

8. Our baby ______ walk in a few weeks.

    a) can     b) will be able to    c) have to      d) may

9. This way is _______ than the other.

    a) safe     b) safer    c) more safe      d) safest

10. How much money do you spend _____ food each month?

    a) at     b) on    c) for      d) to

11. He will translate the text if he _________ a dictionary.

    a) has     b) will have    c) have      d) has had

12. The TV broke down when we _________ the news.

    a) watched     b) was watching    c) were watching      d) are watching

13. They ______ each other since 1992.

    a) know     b) knew    c) had known      d) have known

14. I _______ for you for half an hour.

    a) am waiting     b) have been waiting    c) wait      d) waited

15. Ann told her friend that she_________ the competition.

    a) won     b) had won    c) win      d) has won

16. Excuse me, I ___________ for a telephone box. Is there one near here?

    a) look     b) looks    c) looking      d) am looking

17. In 1996 when I lived in Moscow I ________________ at a bank.

    a) was working     b) work    c) working      d) have worked

18. She can't take part in this competition. She ________ her leg.

    a) breaks     b) broke    c) has broken      d) broken

19. Tom hurt his hand when he ____________ dinner.

    a) cooked     b) was cooking    c) cooked      d) has cooked

20. That bag looks heavy. I ________ you with it.

    a) will help     b) help    c) helping      d) helped

21. We_________ football with "Spartak" on Saturday last week.

    a) plat     b) have played    c) were playing      d) played

22. I usually ________ home from Lyceum at 5 o'clock.

    a) coming     b) am coming    c) have come      d) come

23. If he _________ busy I'll invite him to the party.

    a) is not     b) is    c) will not be      d) were not

24. We found that she_________ home at 8 o'clock every morning.

    a) leaves     b) left    c) had left      d) has left

25. We _______ dinner until Jack ____________.

    a) will not start ... arrives     b) do not start ... will arrive    c) not start ... arrives      d) will not start ... will arrive

26. Tom asked Jane where __________ on holiday.

    a) will she go     b) she goes    c) would she go      d) she would go

27. Many children in Britain_________ wear uniform when they go to school.

    a) can     b) are able    c) must      d) had to

28. I _______ late for the first lecture yesterday.

    a) am     b) will be    c) was      d) were

29. ___________ some information about this film.

    a) There's     b) There're    c) They're      d) It's

30. If __________ ring the doorbell don't let them in.

    a) everybody     b) anybody    c) nobody      d) everything

31. She is a very quiet person. She doesn't speak ___________.

    a) many     b) little    c) much      d) few

32. I have got ________ money and we can go shopping.

    a) many     b) few    c) much      d) little

33. Nick has a __________ handwriting than you.

    a) well     b) better    c) much      d) good

34. After many years away he arrived back___________ England a month ago.

    a) in     b) at    c) on      d) -

35. This morning I had _________ boiled eggs for ______ breakfast.

    a) the ... the     b) - ... -    c) a ... the      d) - ... the

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