Simple Percentage
In mathematics, a percentage is a way of expressing a number as a fraction of 100 (per cent meaning "per hundred" in French). It is often denoted using the percent sign, "%", or the abbreviation "pct". For example, 45% (read as "forty-five percent") is equal to 45 / 100, or 0.45. Let us see simple percentage with practice problems.( Source:Wikipedia)
Formula for simple percentage:
Now we will see the formula for work out a simple percentage or converting the percentage to a rounded value.
For simple percentage change the fraction or a decimal to a percent, then we should multiply it by hundred:
Then multiply the fraction value by hundred to obtain the exact answer as a percentage value.
`1 / 2` * 100 = `100 / 2` quotient 50.
For changing a simple percentage to a fraction, divide it by 100 then reduce the fraction (if it is possible to short).
Divide the percentage by hundred and then simplify the fraction (if we want to short).
25% = `25 / 100` = `1 / 4`
Looking out for more help on Calculate Percentages in Math by visiting listed websites.
Example for simple percentage:
Problem 1:
What is the decimal value to this number 86%?
Solution:
To find out the percentage we have to divide it by 100. Then 86% = `86 / 100` = 0.86
Now the 86% = 0.86
Problem 2:
What is the decimal value of 72.5%?
Solution:
To find out the percentage divide it by 100. That is 72.5% = `(72.5) / 100` = 0.725
Therefore the decimal value of 72.5 = 0.725
Problem 3:
How to add 25% with 77?
Solution:
25% + 77 = 0.25 + 77 = 77.25
Problem 4:
What is the decimal value 13% of 60?
Solution:
To find out the percentage value, divide 13 by 100 and then multiply it by 60.
`13 / 100` * 60 = 7.8
Hence 13% of 60 = 7.8
Problem 5:
Hamilton borrowed $450 at 5% simple interest per year, for 2 years. How much did she have to pay back (principal + interest) at the end of the 2 year period?
Solution:
The interest to pay is given by
Interest = 450 * 5% * 2 = 45 dollars
Total to pay back
450 + 45 = 495 dollars
After two years Hamilton will pay 495 dollars.
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Practice problem simple percentage:
Problem 1:
What is the decimal value of 24%?
Solution:
24% = 0.24
Problem 2:
What is the decimal value of 42%?
Solution:
42% = 0.42
Problem 3:
What is the decimal value 15% of 74?
Solution:
15% of 74 = 11.1
Problem 4:
What is the decimal value of 17% of 39?
Solution:
17% of 39 = 6.63
Percentage Error
Formula for simple percentage:
Now we will see the formula for work out a simple percentage or converting the percentage to a rounded value.
For simple percentage change the fraction or a decimal to a percent, then we should multiply it by hundred:
Then multiply the fraction value by hundred to obtain the exact answer as a percentage value.
`1 / 2` * 100 = `100 / 2` quotient 50.
For changing a simple percentage to a fraction, divide it by 100 then reduce the fraction (if it is possible to short).
Divide the percentage by hundred and then simplify the fraction (if we want to short).
25% = `25 / 100` = `1 / 4`
Looking out for more help on Calculate Percentages in Math by visiting listed websites.
Example for simple percentage:
Problem 1:
What is the decimal value to this number 86%?
Solution:
To find out the percentage we have to divide it by 100. Then 86% = `86 / 100` = 0.86
Now the 86% = 0.86
Problem 2:
What is the decimal value of 72.5%?
Solution:
To find out the percentage divide it by 100. That is 72.5% = `(72.5) / 100` = 0.725
Therefore the decimal value of 72.5 = 0.725
Problem 3:
How to add 25% with 77?
Solution:
25% + 77 = 0.25 + 77 = 77.25
Problem 4:
What is the decimal value 13% of 60?
Solution:
To find out the percentage value, divide 13 by 100 and then multiply it by 60.
`13 / 100` * 60 = 7.8
Hence 13% of 60 = 7.8
Problem 5:
Hamilton borrowed $450 at 5% simple interest per year, for 2 years. How much did she have to pay back (principal + interest) at the end of the 2 year period?
Solution:
The interest to pay is given by
Interest = 450 * 5% * 2 = 45 dollars
Total to pay back
450 + 45 = 495 dollars
After two years Hamilton will pay 495 dollars.
Between, if you have problem on these topics Percentage Error, please browse expert math related websites for more help on neet exam pattern 2013
Practice problem simple percentage:
Problem 1:
What is the decimal value of 24%?
Solution:
24% = 0.24
Problem 2:
What is the decimal value of 42%?
Solution:
42% = 0.42
Problem 3:
What is the decimal value 15% of 74?
Solution:
15% of 74 = 11.1
Problem 4:
What is the decimal value of 17% of 39?
Solution:
17% of 39 = 6.63
Percentage Error