Symptoms of the Flu: An Overview. It's easy to confuse a common cold with flu symptoms. However, cold symptoms are usually milder and don't last as long as the flu symptoms. If you become infected with the flu virus, you will usually feel flu symptoms 1 to 4 days later. It is important to note that you can spread the flu to others before your flu symptoms start and for another 3 to 4 days after your flu symptoms appear. (Click Flu Virus for more information about the flu.).
Definition of Dependency Ratio: The dependency ratio measures the % of dependent people (not of working age) / number of people of working age (economically active). Dependency Ratio =.
How to Calculate Ratio. Example: The ratio of girl to boy in a class is 12:16. To simplify the ratio we can make the numbers into smaller ratios so as to compare easily. This can be done by dividing the ratio by same number on each side.Dividing 2 on both 12 and 16 as 2 is the common factor: $\frac{12}{2}$ = $6$.$\frac{16}{2}$ = $8$. So, 12: 16 is simplified into 6: 8.ow to Calculate Ratio. Example: The ratio of girl to boy in a class is 12:16. To simplify the ratio we can make the numbers into smaller ratios so as to compare easily. This can be done by dividing the ratio by same number on each side.