The number was reduced by 20%. By what percentage you need to increase the resulting number
March 29, 2021 | education
| The number was reduced by 20%. By what percentage you need to increase the resulting number so that it remains the same. Example 20.
The initial number is 20. This figure is 100%. Let’s reduce it by 20%:
100% – 20;
20% – H.
Where from:
X = 20 x 20/100;
X = 4;
20 – 4 = 16.
So the new number is 16. Now it is 100%. Now, how many percent do you need to increase it to get back 20:
100% – 16;
Y – 4.
Where from:
Y = 4 x 100/16;
Y = 25.
Answer: in order for the number to become the same, you need to increase the new number by 25%.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.