20% of 100 is n. To solve percentage, you need to: 1. Change "rate" to decimal by dividing it by 100. 20 / 100 = .20 2. After that, multiply the decimal by 100. .20 x 100 = 20 Hence, 20% of 100 is 20.
For example.You are going to compute a percentage score of your exams.Say 50 items and you got a 25 score or correct answer out of 50.and the sol'n follows.
Let : PS-percentage score NI- Number of items CA-Correct answer. PS=(CA/NI)(100) =(25/50)(100) =50%
Note:100 is constant.I mean as is in getting percentage.
