21 increased by 31 percent
Here you will see step by step solution to calculate 21 increased by 31 percent. What is 21 increased by 31%? It is 27.51, and the increase is 6.51. Check the detailed explanation of answer given below.
Answer: 21 increased by 31% is
= 27.51
How to increase the number 21 by 31 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 = 31%
Solution for 21 increased by 31 percent(31%) -
Given number n = 21, P = 31%
- Put the n and P values in the given formula: => 31% × 21
- Now we need to simplify the fraction by multiply 31 with 21, then divide it by 100 => 31 × 21/100 = 651/100 = 6.51
- Percentage Increase = 6.51
- Now we will use formula 2 to get the value of 21 increased by 31% = 21 + 6.51
=> 31/100 × 21
= 27.51
Therefore, result is for 21 increased by 31% is 27.51 and increase is 6.51.