21 increased by 45 percent
Here you will see step by step solution to calculate 21 increased by 45 percent. What is 21 increased by 45%? It is 30.45, and the increase is 9.45. Check the detailed explanation of answer given below.
Answer: 21 increased by 45% is
= 30.45
How to increase the number 21 by 45 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 = 45%
Solution for 21 increased by 45 percent(45%) -
Given number n = 21, P = 45%
- Put the n and P values in the given formula: => 45% × 21
- Now we need to simplify the fraction by multiply 45 with 21, then divide it by 100 => 45 × 21/100 = 945/100 = 9.45
- Percentage Increase = 9.45
- Now we will use formula 2 to get the value of 21 increased by 45% = 21 + 9.45
=> 45/100 × 21
= 30.45
Therefore, result is for 21 increased by 45% is 30.45 and increase is 9.45.