Proportion

1 water = 1500 tugrik. i am buying 9 waters. if i give 20 000 cash money, how much tugrik change they will give me back?

I finished 6 questions in 10 minutes. How many questions i will finish in 36 minutes ?

1 dejur cleans class in 20 minutes. when he finished cleaning half of the class, his friend started to help him. Total, in how many minutes this job finished?

One boy makes 2 correct podach serve in volleyball in 7 attempts. How many successful correct podach he will make in 76 attempts

in the reading time, in 15 minutes i will finish 18 pages of the book. in one week, i have 5 reading times. In how many weeks i will finish 200 page book.

3 notebook costs 10000 tugriks. for 25000 tugriks how many notebooks can i buy?

4 dejur cleaners clean the class in 1 hour. How many students will finish in 10 minutes?

1 bambar ice cream = 800 tugrik. for 10 000 tugrik how many you can get from shop?

1 $ = 3500 tugrik. 1 Air Jordan costs 50 $. For 1 million tugrik how many Air Jordan i can buy?