2. A transistor radio, the current price is 165 yuan, which is lower than that of 85 yuan last year by what percentage?
3. There are workers 1280 in a factory, including 620 women workers. What percentage of female workers are less than male workers?
There are 500 students in Guanghua Primary School, and four students are sick today. What's the attendance today?
Due to the reform of production technology, the time for a worker to produce a part is reduced from 12 minutes to 8 minutes. In the past, 40 parts were produced every day, but now the productivity has increased by several percent.
6. The school shipped 34 tons of coal, which has been burned 18 tons. How much is the proportion of burns more than others?
7. 400 seeds were used for germination test, and 32 seeds did not germinate. What is the germination rate of these seeds?
There are 640 female workers in Hongqi Textile Factory, eight fifths of whom are female workers. How many are women workers?
9. A book has 240 pages. On the first day, I read 1/4, and on the second day, I read 3/8 books. How many pages have I read in two days?
10. The construction site needs 120 tons of cement. The total amount delivered on the first day is 1/4, and the second day is 2/5 of the total amount. How many tons is it cloudy than the first day?
1 1. Grass will lose 80% of its original weight after drying. There are 6.2 tons of grass. How many tons can it dry?
12. It takes Party A 8 hours to walk from place A to place B, and Party B has more time to walk14. What is the time for Party B to walk?
13. A wire is 4.8 meters long. Use 1/3 of the total length for the first time, and the remaining 60% for the second time. How many meters are left in the end?
14. There are female workers in a factory 128, and the number of female workers is 40% of that of male workers. How many workers are there in the whole factory?
15, I walked 5/8 of the whole length from A to B and walked 350 meters. What is the total length from a to b?
16. There are two pieces of steel, the first piece is 4 meters long, the first piece is 2/9 of the second piece, and how many meters is the second piece?
17. The amount of a savings bank in the third quarter accounts for14 of the annual savings, and the amount of savings in the fourth quarter accounts for 3/ 10 of the annual savings. The fourth quarter was 628,000 yuan more than the third quarter. What is the annual savings?
18, the tractor can plow a piece of land in 8 days, plow for 5 days, and there are 75 acres of wasteland. How many acres is this land?
19. A wire is cut into three sections, the first section accounts for 1/3 of the total length, the second section accounts for 2/5 of the total length, and the third section is 6.4m long. How long is this wire?
1. A batch of children's books arrived from Xinhua Bookstore. On the first day, 1800 books were sold, and on the second day, 1/9 books were sold more than on the first day. The rest is 3/7 of the total and sold out on the third day. How many children's books do you want?