2. There is an air conditioner, the original price is 1600 yuan, but after the price increase, it sells for 2000 yuan, which is a few percent higher?
3. There is a TV with the original price of 1200 yuan, which is lower than that of 300 yuan. How much is the price reduction?
4. There is a disinfection cabinet. The original price was 2,400 yuan, which increased the price of 400 yuan. What percentage has the price gone up?
Bright primary school had 24 basketballs last year, and bought six new basketballs this year, which is a few percentage points higher than last year?
6. The original ticket for a park in 80 yuan will be 20% off during the National Day. How much can you save per ticket? What's the equivalent of a price reduction?
7. Nanshan Primary School covers an area of 8,000 square meters, of which the green area accounts for 65%, and the rest are teaching buildings and roads. What is the green area of Nanshan Primary School? How many square meters are there in the teaching building and road?
8. Shopping malls offer discounts, with 50% discount on clothes and 20% discount on stationery. How much does Xiao Ming actually spend on a dress with the original price of 320 yuan and a schoolbag with the original price of 120 yuan?
9. The germination rate of a batch of seeds is 98.5%. Sowing 3000 seeds, how many seeds may not germinate?
10. Last year, an orchard produced 4500 kilograms of apples. This year, due to the good climate, the output has increased by 20% compared with last year. How many kilograms of apples have been produced this year?
1 1. Girls in the sixth grade of experimental primary school account for 48.75% of the whole grade. What is the proportion of boys in the whole grade? If there are more boys than girls 12, how many are there in the sixth grade of experimental primary school?
12,504 classes have 20 people who participate in art interest groups, 20% more than those who participate in sports interest groups. How many people join the sports interest group?
14. Uncle Wang deposited 4,000 yuan in the bank for 3 years, with an annual interest rate of 3. 15%. What's the interest payable? How much interest tax should I pay? How much is uncle Wang's principal plus interest? (The current interest tax is 5%)
Hope to be adopted o(∩_∩)o