Предмет: Математика, автор: shevchenkoelisaveta

У школи нпвчаэться 800 учнив Серед них дивчат на 16% бильше ниж хлопцив. Скильки хлопцив и скильки дивчат навчаеться в школи?


shevchenkoelisaveta: нАвчаэться))

Ответы

Автор ответа: prettypushkova
1

800 учеников - 100%

(100% - 16%) : 2 = 84% : 2 = 42% - мальчики

42% + 16% = 58% - девочки

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

1) 800 : 100 · 42 = 8 · 42 = 336 учеников - мальчики;

2) 800 : 100 · 58 = 8 · 58 =  464 ученика - девочки.

Відповідь: 336 хлопчиків і 464 дівчинки.

Похожие вопросы
Предмет: Английский язык, автор: D123321
TASK 1. Put the verbs in brackets into the correct form of the infinitive or the –ing form.
1. My mother enjoys _______________ to museums. (to go)
2. I’d really love _____________ a pilot. (to be)
3. I hate _______________ the ironing. (to do)
4. This is the only way ______________this conflict. (to stop)
5. I love ____________________ in the sea. (to swim)
6. My mother made me ________________ my room. (to tidy)
7. Do you like _________________? (to cook)
8. His goal is ______________________ a famous scientist. (to become)
9. I prefer ______________________ by train to _________________. (to travel, to drive)
10. Would you like ___________________ shopping tomorrow? (to go)
11. Would you mind ___________________ the door? (to close)
12. Friends should never ________________ selfish. (to be)
13. Who was the first man _____________________on the Moon? (to walk)
14. Sam suggested _____________________ to the cinema. (to go)
15. I would hate _________________ a yard cleaner. (to be)
16. Avoid _______________with the fridge door open while you wonder what to eat. (to stand)
17. She is too young _____________ clubbing. (to go)
18. You must ___________________ hard for your exams. (to study)
19. Are you thinking of ____________________ a car? (to buy)
20. She is old enough ______________________home late. (to come)
21. A pupil apologized for ________________sorude. (to be)
22. “Shall we go by train?” “Well, I’d prefer _______________ by car.’ (to go)
23. He always has difficulty in ________________________ with people. (to communicate)
24. I was glad ___________________ you had arranged everything well. (to hear)
25. Do you want me _____________________ you money? (to lend)
26. I can’t stand ____________________ behind desk. (to be)
27. Her parents wouldn’t let her ________________ out alone. (to go)
28. I hope you ___________________ everything we need. (to buy)
29. Why do you dislike ________________ here? (to live)
30. “What about a game of tennis?” “I’d rather ________________ volleyball.” (to play)