To convert a number into a percentage, add% to the number and multiply it by 100. For example, converting 3 15 into percentage is: 3 15× 100%.
Question:
Suppose the annual interest rate of bank savings is 0.6%, and Zhang San deposited 8,000 yuan on June 65,438+0,990+0,65,438+0. On June 65, 438+0, 65, 438+0 of the following year, Zhang San took out the money and deposited all the principal and interest. Q: By June 65,438+0,993,65,438.
Answer: 8000 * (1+0.6%) 3
Others:
1. There are 80 bottles of coke in the shop. Coke bottles are 5% less than Sprite. How many bottles does Sprite have?
A train from Shanghai to Tianjin has traveled 808 kilometers, leaving 1. How many kilometers is the railway from Shanghai to Tianjin?
There is a batch of potato chips in the shopping mall, which sold 2/5 in the morning and 4/8 in the afternoon. There are 54 bags left. How many bags of chips are there?
5. Zhang Jiayou 15 peach trees. The number of pear trees is two-thirds that of peach trees and two-seventh that of apple trees. How many apple trees are there?
6. There are 400 cows, more than sheep 1. How many sheep are there?
Answer:
1. There are 80 bottles of coke in the shop. Coke bottles are 5% less than Sprite. How many bottles does Sprite have?
Sprite has
80/(1-1/5) =100 (bottle)
A train from Shanghai to Tianjin has traveled 808 kilometers, leaving 1. How many kilometers is the railway from Shanghai to Tianjin?
The length of railway from Shanghai to Tianjin
808/(1-1/3) =1212 (km)
There is a batch of potato chips in the shopping mall, which sold 2/5 in the morning and 4/8 in the afternoon. There are 54 bags left. How many bags of chips are there?
This batch of potato chips has been
54/( 1-2/5-4/8)=540 (bag)
5. Zhang Jiayou 15 peach trees. The number of pear trees is two-thirds that of peach trees and two-seventh that of apple trees. How many apple trees are there?
Li shuyou
15*2/3= 10 (tree)
Apple tree has
10/(2/7)=35 (tree)
6. There are 400 cows, more than sheep 1. How many sheep are there?
Yang You
400/( 1+ 1/4)=320 (head)