
What is the percentage increase from $4$ to $5$?
Answer
438.3k+ views
Hint: Here the question is related to the percentage concept. First we have to determine the change in the number. So here we use the subtraction operation and determine the change in number. Then we divide the change in number by the original number and multiply by 100 and that will be the percentage.
Complete step by step answer:
In mathematics, a percentage is a number or ratio expressed as a fraction of 100. A percentage is a dimensionless number; it has no unit of measurement.
On considering the given question.
The original number = 4
The number has increased
The changed number or increased number = 5
Now we have to determine the number raised. To determine that we have to subtract the original number from the changed number
Therefore the number raised is given by = \[5 - 4\]
On subtracting we get \[ 1\]
The change in number is $1$.
Hence we have determined the change in number, now we have to determine the percentage.
To calculate the percentage we divide the change in number by the original number and then we multiply it by 100.
\[ \Rightarrow \dfrac{1}{4} \times 100\% \]
On dividing 100 by 4 we get
\[ \Rightarrow 25\% \]
Therefore the percentage rise in the number is \[25\% \].
Note:
The number can be simplified from one form to the other form. The percentage is represented by the symbol %. The number is increased; how much it has increased is determined by the subtraction operation. When it comes to percentage, we must mention the percentage symbol.
Complete step by step answer:
In mathematics, a percentage is a number or ratio expressed as a fraction of 100. A percentage is a dimensionless number; it has no unit of measurement.
On considering the given question.
The original number = 4
The number has increased
The changed number or increased number = 5
Now we have to determine the number raised. To determine that we have to subtract the original number from the changed number
Therefore the number raised is given by = \[5 - 4\]
On subtracting we get \[ 1\]
The change in number is $1$.
Hence we have determined the change in number, now we have to determine the percentage.
To calculate the percentage we divide the change in number by the original number and then we multiply it by 100.
\[ \Rightarrow \dfrac{1}{4} \times 100\% \]
On dividing 100 by 4 we get
\[ \Rightarrow 25\% \]
Therefore the percentage rise in the number is \[25\% \].
Note:
The number can be simplified from one form to the other form. The percentage is represented by the symbol %. The number is increased; how much it has increased is determined by the subtraction operation. When it comes to percentage, we must mention the percentage symbol.
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