21 increased by 40 percent
Here you will see step by step solution to calculate 21 increased by 40 percent. What is 21 increased by 40%? It is 29.4, and the increase is 8.4. Check the detailed explanation of answer given below.
Answer: 21 increased by 40% is
= 29.4
How to increase the number 21 by 40 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 = 40%
Solution for 21 increased by 40 percent(40%) -
Given number n = 21, P = 40%
- Put the n and P values in the given formula: => 40% × 21
- Now we need to simplify the fraction by multiply 40 with 21, then divide it by 100 => 40 × 21/100 = 840/100 = 8.4
- Percentage Increase = 8.4
- Now we will use formula 2 to get the value of 21 increased by 40% = 21 + 8.4
=> 40/100 × 21
= 29.4
Therefore, result is for 21 increased by 40% is 29.4 and increase is 8.4.