Предмет: Математика, автор: pashasosura81

Кількість сонячних днів у жовтні 16, а в листопаді 10. На скільки відсотків змінилася кількість сонячних днів?

Ответы

Автор ответа: nonamebutIam
1

Пошаговое объяснение:

Можна скласти пропорцію:

16-100%

10-?, отже х

Тоді х=10*100/16=62,5%

Отже у листопалі на 47,5 відсотків сонячних днів стало менше.

АБО

10/16=0,625

Похожие вопросы
Предмет: Английский язык, автор: musa2009ghj
1. Complete the sentences with the correct form of going to or will and the verb in brackets.

1. Let’s go to that new café. Maybe we (see) Marc there.

*
2. I (watch) the match on TV tonight. Do you want to join me?

*
3. ‘Tom (study) engineering in Manchester.’ ‘It’s a great city. I’m sure he (enjoy) living there.
*
4. (you / wear) shoes or sandals today?

*
5. I’m sure Sam (enjoy) the concert.
*
6. If they eat all that food now, they (not be) hungry at dinner time.

*
7. (you / eat) that sandwich, or can I have it?

*
8.We (paint) the kitchen this weekend. I think Mum (like) it.

*
2. Complete the sentences with the correct form of the verbs in brackets.

1. If we miss the next bus, we (not get) there in time.
*
2. I’ll be happy if I (pass) the exam!

*
3. We’ll go for a walk if it (stop) raining.

*
4. Anna will be upset if you (invite) her.

*
5. If you tell anyone my secret, I (never / speak) to you again!

*
6. If Dad (lend) me the money, I (be) able to buy an MP3 player.

*
7. If you (know) the answer, (you / tell) me?

*
8. If we (not leave) now, we (not get) there in time.

*
3. Complete the sentences with the words in the box.

charities collection donation fund-raising protesting sit-in volunteer

1 ‘We’re having a on Saturday, and we’re going to use the money to build a new animal hospital.’ ‘That’s great. Can I make a of £5?’

2 ‘There was a in the library last week. Some students went into the building and said they didn’t want to come out.’ ‘Why were they ?’

3 The World Wide Fund for Nature (WWF) is one of the most famous in the world.

4 I saw Dave at a event yesterday. He was working as a , and he was helping with the food and drink.