You can also convert percentages into decimals.

You can try to do these problems.

Basic exercise percentage

1, Li Ming threw basketball, threw 16, and won 4. What is Li Ming's shooting percentage?

2. In a test, the number of questions that Xiao Ming answered correctly was 1 1, and he made four mistakes. What is Xiao Ming's correct rate in this test?

3. The rice processing plant uses 2000 kilograms of rice to process rice, and * * * grinds out 1600 kilograms of rice to seek rice output.

4. When trees are planted in the forest farm in spring, 170 plants survive and 30 plants die, so as to seek the survival rate.

5. One day, 48 students from Class 6 (1) went back to school, and 2 students asked for leave. What's the attendance rate on this day?

6. Master Wang produced a batch of parts, 485 of which passed the inspection and 0/5 were unqualified. What is the qualification rate of this batch of products?

7.20g of salt is dissolved in 80g of water. What is the salt content of salt water?