Finding the percentage of a multiplicity-Education |
When finding a certain percentage of a multiplicity, we can make use of the whole-to-part topic in fractions.
Finding the Specified Percentage of a Multitude
To calculate the specified percentage of a given multiplicity, we need to multiply.
Finding Multiplicity Given a Specific Percentage
To find the entire multiplicity given a given percentage, we divide the multiplicity by the given percentage.
Writing one multiplicity as a percentage of another multiplicity
To find what percent of one number is another number, we divide the numbers together and multiply by 100.
Increase and Decrease by Percent
To increase or decrease a number by a certain percentage, the specified percentage of the multiplicity is found and added or subtracted from the multiplicity.
Examples:
1) 30% of 300: 300.30 = 9000 = 90
100 100
2) 50% of 12 apples: 12.50 = 600 = 6
100 100
Examples:
1) Number with 20% of 7:7: 20 =7100 =35
100 20
2) Money with 5% of 100 TL: 100:5 =100.100 =2000
100 5
Sample:
20 is what % of 40?
20.100=2000=50
40 40
The number 20 is 50% of the number 40.
Sample:
What is 20% more than 40?
20% of 40: 40.20 =8
one hundred
40 + 8 = 48
20% more than 40 is 48.
Category: Mathematics
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