First, the number written directly is16x20% = 3.225% = 2.520x3/2 = 30. Fill in the blanks 1. 16 is 20 (80) 20 is 16%, (1.25) 65433. 20 is (25)% more than 16. 3/8x8/3 = 1 36x 5/6 = 30 12x 30% = 3.6 10x。

40% of 2( 60) tons is 24 tons. 3. 20% less than 30 meters is (24)m. 3, the sum of two numbers of A is 39, the number of A is 30% of the count, the number of A is (9), and the number of A is (30).

4. The number of parts produced by a parts factory in March is 87.5% of that in February, so the number of parts produced by the factory in March is less than that in February (12.5)% 5. The number of roosters in Hongxing Farm is 50% of that of hens, so the number of roosters accounts for (33.3 )% of the total number, and the number of hens accounts for (66.6 )% 6. The preferential activities during the Spring Festival are 20% off. Only (384) yuan is needed after the discount. 7.4: 5 = (8): (10) = (0.8) = (80)% = (8) discount.

True or false: 1 The price of a commodity first decreased by 10%, and then increased by 10%. The current price of this commodity is equal to the original price (×) 2. Put 15g salt into 100g water, and the salt content of the brine is 15%.

There are 25 boys and 22 girls in (×)3 6 1 class. There are more boys than girls 15%. 4 (√) 5 (×) 4. Multiple choice questions, 1. Aunt Wang now deposits 5000 yuan in the bank for three years, with an annual interest rate of 5.4%. After the maturity, she will get interest from the bank (a) A5000x5.4% X3B 5000x5.45% C5000x5.40% XX5D5000+3. The number of nails is 25% more than nails, and the number of nails is 25% (×) less than nails.

Divide a Woodenhead into five sections, each of which is 20% of Woodenhead.

A commodity is sold at a 30% discount, which is cheaper than the original one. 75 yuan, this product was originally (C) yuan, A 525 B 225 C 250 D 150.

3 A rope used 2 meters, and the rest used 25%. This rope is (c) meters long. A 0.5 B 2 C 2.5 D are all wrong.

4 250m is less than 65 438+0km (C) A 25% B 33% C 40% D 75%.

The school plans to invest 4.8 million yuan to build a comprehensive teaching building, which is actually 35% less than planned. The actual investment saved (b) ten thousand yuan. a 480 x35 % B 480 x( 1-35%)C 480/35% D 480/( 1-35%)

I have read 20 pages of a story book, and there are 60 pages left. People who haven't read this book account for 25% B 33% C 66% D 75%.

The sales of a toy factory in 2008 was 52 million yuan. If the consumption tax is paid at 5% of the sales, the toy factory will pay the consumption tax (A) 10000 yuan in 2008. a 5200 X5 % B 5200 x( 1-5%)C 5200/5% D 5200/( 1-5%)

After the book written by Zhang Ming was published, the manuscript fee was 2600 yuan. According to the regulations, 20% personal income tax shall be paid for the part of the manuscript fee that exceeds that of 800 yuan. After paying taxes, Zhang Ming's contribution fee is (a) A2600-(2600-800) X20% 2600x (1-20%) B2600-2600x20% C.