3/5 of a bottle of oil is eaten, which is exactly 300g. How much does this bottle of oil weigh?

3. A road team built a road. On the first day, the whole length was completed, which was exactly160m. What is the total length of this road?

The fruit shop has 72 Jin of oranges, which are bananas.

How many kilograms are bananas?

There are 400 science and technology books in the library, which are equivalent to story books. How many story books are there?

6. There are 400 male employees in a factory, and the number of male employees accounts for the number of female employees. How many girls are employed in this factory?

7. A barrel of oil was poured out, just 36 kilograms. How many kilograms was this barrel of oil?

8. There are two bags of rice. The first bag weighs 2 1 kg, which is equivalent to the second bag. How much does the second bag weigh?

9. Kindergarten bought 10 Jin of fruit candy, which was bought by butterscotch. How many kilograms of toffee did you buy?

10. Xinfeng Primary School planted 320 trees last year, which is equivalent to the number of trees planted this year. How many trees were planted this year and last year?

1 1. A bucket of water is exactly 15 kg. How much does this bucket of water weigh?

12. Wang Xin bought a book and a pen. The price of this book is 4 yuan, which is exactly the price of this pen. How much is this pen?

13. The maximum speed of a car140km is equivalent to the speed of a supersonic plane. How many kilometers does this supersonic plane fly per hour?