Одна машина для орошения поля за 4 ч работы успевает полить 24 га земли, а второй на это же работу требуется 3 ч. Какую площадь смогут оросить эти машины за 8 ч, работая одновременно?

They were having English for an hour and a half.  

They were watching a film about Vikings from 11.15 to 12.00.  

They were eating traditional English meals at lunchtime time.  

The pupils were listening to English folk songs during the Music lesson.  

At 2.45 they went to the library.  

They were talking with a famous children's writer for half an hour.