21 increased by 80 percent
Here you will see step by step solution to calculate 21 increased by 80 percent. What is 21 increased by 80%? It is 37.8, and the increase is 16.8. Check the detailed explanation of answer given below.
Answer: 21 increased by 80% is
= 37.8
How to increase the number 21 by 80 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 = 80%
Solution for 21 increased by 80 percent(80%) -
Given number n = 21, P = 80%
- Put the n and P values in the given formula: => 80% × 21
- Now we need to simplify the fraction by multiply 80 with 21, then divide it by 100 => 80 × 21/100 = 1680/100 = 16.8
- Percentage Increase = 16.8
- Now we will use formula 2 to get the value of 21 increased by 80% = 21 + 16.8
=> 80/100 × 21
= 37.8
Therefore, result is for 21 increased by 80% is 37.8 and increase is 16.8.