в первый день прочитал 20 страниц это 5% от всей книги Сколько страниц в книге(считать % на % - Znanija.Site

в первый день прочитал 20 страниц это 5% от всей книги Сколько страниц в книге(считать % на %
- Предмет:
  Математика
- Автор:
  noseymelendez
- 5 лет назад

Ответы 1

20-5%х-100%х=20*100/5х=400.ответ:в книге 400 страниц
- Автор:
  jared493
- 5 лет назад
- 0
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Extra exercises
номер1 : Choose the right tags.
1)Jodi's bought a guitar .............
a)isn't she?
b) didn't she?
c) hasn't she?
2)You're stressed out. .............
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b)aren't you?
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b)do they?
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b)was he?
c)is he?
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b)can't we?
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Номер2:Complete the conversation with the correct form of say or tell
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A:Really! What did he. .........? Was he very upset?
B:He. .......... me he was sorry. He. ............. that it wasn't his fault
A: Oh he always. ........ that! Did you have a big row?
B:No but I won't go out with him again. Don't. .............. anyone at school
A:Ok. I won't. ........ a word
Номер3: Read the text and choose the right word for each space
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1 a)nearest b) closest c) worst
2 a)good b) nice c) well
3 a)take b)use c) spend
4 a)annoys b)explains c)admires
5 a)argue b)rebel c)explode
6 a) each time b)each one c) each other
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1)Veronica/Gary:I work as waitress three days a week
2)Mum/my brother and me:You can't watch Tv tonight
3)Charles/his wife: There's nothing to eat in the fridge.
4)Mark/Jane: I'm not playing tennis tonight.
5)They/their teacher: We aren't confident about the exam
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