18 increased by 21 percent
Here you will see step by step solution to calculate 18 increased by 21 percent. What is 18 increased by 21%? It is 21.78, and the increase is 3.78. Check the detailed explanation of answer given below.
Answer: 18 increased by 21% is
= 21.78
How to increase the number 18 by 21 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 = 18, P = 21%
Solution for 18 increased by 21 percent(21%) -
Given number n = 18, P = 21%
- Put the n and P values in the given formula: => 21% × 18
- Now we need to simplify the fraction by multiply 21 with 18, then divide it by 100 => 21 × 18/100 = 378/100 = 3.78
- Percentage Increase = 3.78
- Now we will use formula 2 to get the value of 18 increased by 21% = 18 + 3.78
=> 21/100 × 18
= 21.78
Therefore, result is for 18 increased by 21% is 21.78 and increase is 3.78.