1. There are 39/kloc-0 students in Binhai Primary School who have breakfast every day, accounting for 85% of the total number of students in the school. How many students are there in the school? What percentage of people in the school can't guarantee to eat breakfast every day? How many people are there?

Number of students in school: 39185% = 460.

Excluding breakfast: 1-85%= 15%.

Number of people: 460x 15%=69 people.

2. Of the 480 students in Baihua Hutong Primary School, only 5% did not participate in accident insurance. How many students are insured?

480x( 1-5%)=456 people.

3. In 2002, there were 1.263 academicians in China Academy of Sciences and China Institute of Engineering, including male academicians1.654,38+0.85. What percentage of academicians are women?

( 1263- 1 185)÷ 1263 x 100% = 6. 18%

4. The sixth grade 120 people reached the national physical exercise standard (children's group), and the compliance rate was 75%. How many people are there in the sixth grade?

120/75% =160 people

5. The biological team conducted a corn seed germination experiment, and 285 seeds germinated, with a germination rate of 95%. How many seeds are there in this experiment?

285÷95%=300

6. In order to welcome the school anniversary, the students made 24 yellow flags, accounting for 60% of the red flags. How many red flags did they make?

24÷60%=40

There are 54 books in the corner of Class 7.6 (1), which is less than that of Class 6 (2) 10%. How many books are there in Class Six (2)?

54÷( 1- 10%)=60