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Unit 5 of the first volume of sixth grade mathematics, which is the application of solving problems?
More than 80% of the number 1, 19 is 24. How to find this number? 2. The sum of 36% of a number and its 9% is 3 15. Did you find this number? What is 3.80% equal to 60% of 25? 4. Wang Ling this year 165cm, 5cm higher than last year. How much higher is Wang Ling this year than last year? 5. The fruit shop delivers 150kg apples, and the delivered pears are 20% less than apples. How many kilograms of pears were sent? 6. A bicycle with the original price of 280 yuan is now 252 yuan. How much is this bike? 7. The road repair team repaired a section of road, completing 30% of the total length on the first day and 25% of the total length on the second day. It is known that 400 meters were repaired the next day. How many meters were built on the first day? 8. Xiao Li deposited 1 000 yuan in the bank with a term of 5 years, with an annual interest rate of 5.40% and interest tax of 5%. How much interest tax does Xiao Li have to pay when it expires? How much money can I get when it expires? 9. The school bought a batch of books and distributed them to Class A and Class B. Class A got 20 books, which happened to be 80 books in Class B. How many books are there in this batch? 10, a basket of apples, take out 180 first, and then take out the remaining 40%, so the remaining apples are exactly 20% of the original total. How many apples are there in this basket?