Предмет: Математика, автор: хранительница3

пятиклассники и шестиклассники отдыхали в спортивном лагере. число пятиклассников относилось к числу шестиклассников как 5 : 3. сколько пятиклассников было в лагере, если шестиклассников было 15?

Ответы

Автор ответа: Indifferent
0
Шестиклассников 15 (3 части)
15:3=5 учеников в 1 части.
5*5=25 учеников в 6 классе.
Автор ответа: хранительница3
0
а помогите решить ещо 1 задачу : ткань цена которой 150 руб. за метр уценина на 8% какова новая цена ткани?
Автор ответа: Indifferent
0
150:100=1,5 в 1 %, 1,5*8=12 руб. в 8%, 150-12=138. Вроде бы.
Автор ответа: Indifferent
0
Сомневаюсь.
Автор ответа: хранительница3
0
кто есть вк?
Автор ответа: хранительница3
0
доавьте меня я там лола кульбекова россия город пласт
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Past perfect/Past simple Complete the sentences with the verbs in brackets. Use Past Perfect or Past Simple tens
1.- Tom . ..(give) me the book yesterday but I knew he... (not read) it.
2.- Alice came back from Australia and she said that she (enjoy) a lot there.
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6.-The train (leave) before Helen (arrive) at the station.
7.-My grandmother (make) some cheese sandwiches when I . (get) home at 5.30
8.-After she (study) the lesson, she (do) the exercises.
9.- Barbara (forget) that she (not do) any shopping for the weekend. 10.- Jack (be) very tired because he (work) until late.
11.- Before Henry ... (come) home, his friend (take)the dog for a walk. 12.-By the time Linda (park) her car, her boyfriend (drink) two cups of coffee.
13.-My dog .. (be) hungry because he (have)nothing to eat since breakfast.
14.-I wondered where I (see) him before.
15.-The robbers (escape) by the time the police (arrive)
16.-The policeman (arrest) the man who .(steal) the money.
17.-The computer (show) that the George Hurt. (commit) some crimes in the past.
18.- The man (check) all the windows after he (lock) the front door.
19.-When I (open) the chocolate box, I saw that somebody (eat) all of them.
20.-When Elisa (meet) Arthur, he (finish) his studies at university. 21.-I .... (recognize) him because I (see) his photo in the newspaper before.
22.- Margaret was upset because her husband (forget) her birthday. ​