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
    => 31/100 × 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
    = 27.51

Therefore, result is for 21 increased by 31% is 27.51 and increase is 6.51.

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