A person bought 6 books of the same type. As he was offered 10% discont,he only had to pay 218700 VND.How much was the original price of each book?

1.We(feel) that the contents of this essay should be changed.

2.Do(you see) those women at the gate? They(look) at us very strangely

3.The moon(go) around the Earth.

4.My father(know) everything about cars, but nothing about motorbikes.

5.John(have) a difficult time at the university this year.

6.I played basketball at school gym but now I (prefer) swimming.

7.Are (you work) in Ho Chi Minh city this month?

 Một ô tô đi từ A lúc 6 giờ 15 phút, đến B lúc 10 giờ 45 phút với vận tốc là 60 km/giờ.

a) Tính quãng đường từ A dến B.

b) Lúc về, ô tô tăng vận tốc thêm 20% so với vận tốc lúc đi thì từ B về A ô tô đi mất mấy giờ?