4/15 это сколько процентов от 100 процентов?

1  rewrite these sentences in the passive.1someone should stop the children from stealing apples. children should be stopped  from stealing apples.         2we had asked for the owner’s permission. the owner permission had been asked by us.3they are changing the old factory into a theme park. the old factory is being changed into a theme park. 4the dentist extracted my bad tooth. my bad tooth was extracted by the dentist5 they gave him a prize in 2001. he was given a prize in 2001.2  put the verbs in brackets into the active or passive.1 on this new cd, the violin is played by christian umaña.2 the pitt brothers will redecorate our living room next month.3 lillian often helps me with my homework.4 who repairs your car? 5 the porridge is eaten by goldilocks.3 change the verbs in brackets into the passive (ordinary or perfect) infinitive or gerund.1 i hate to be told by my parents what to do.2 it’s fair to give a second chance if your first attempt was unsuccessful.3 we know that this man may be killed by a drug dealer.4 lisa likes her painting to be admired.5 he would like to be appreciated for his hard work.4  you are a reporter of a newspaper. your editor has asked you to write a short article about the gallery opening. use the notes below and report the events. use passive forms. you may use your own ideas.• night before opening - owners hold - party • over 400 people - attend - event• owners - invite - some famous artists• waiters - serve - drinks and sandwiches• city mayor - give - speech• several art critics - praise - gallery• in next few weeks - set up - website - for the gallery• tomorrow - welcome - public - into the gallery• for the first month - on offer - tickets - at half pricestart with: a new art gallery has opened in london. the night before the opening a party was held by it’s owners and it was attended by over 400 people. the owners invited many famous artists and paintings. some complaisant waiters brought different drinks and sandwiches. the mayor of the city gave a great speech. several art critics uttered praise gallery.so, during the next few weeks our site and all newspapers of our city will be covering the events taking place in this gallery.we invite everybody tomorrow. welcome to the state art gallery. i want to add that during first month they offer all the tickets for half price

Все верно в предыдущем. нечего добавить.

Это будет 40 процентов от ста

В) Раскрываем скобку: 72-(10*9)/9=72-10=62
г) Сначала упрощаем внутри (4-8/3)*15 Теперь Раскрываем скобку: 60-120/3=60-40=20

1. 15.94 + 17.54 = 33.48
2. 33.48 × 3 = 100.44
3. 10.06 + 14.24 = 24.3
4. 100.44 ÷ 24.3 = ~4.13. Это окончательный ответ

3z = z + 48
3z - z = 48
2z = 48
z = 48:2
z = 24

Ответ: 24