21 increased by 9 percent
Here you will see step by step solution to calculate 21 increased by 9 percent. What is 21 increased by 9%? It is 22.89, and the increase is 1.89. Check the detailed explanation of answer given below.
Answer: 21 increased by 9% is
= 22.89
How to increase the number 21 by 9 percent?
With the help of given formula we can get the the percent increase value -
formula 1: Percentage increase = P% × n, P = Percent, n = Number
formula 2: Result = n + Percentage increase
Here we have, n = 21, P = 9%
Solution for 21 increased by 9 percent(9%) -
Given number n = 21, P = 9%
- Put the n and P values in the given formula: => 9% × 21
- Now we need to simplify the fraction by multiply 9 with 21, then divide it by 100 => 9 × 21/100 = 189/100 = 1.89
- Percentage Increase = 1.89
- Now we will use formula 2 to get the value of 21 increased by 9% = 21 + 1.89
=> 9/100 × 21
= 22.89
Therefore, result is for 21 increased by 9% is 22.89 and increase is 1.89.