SOLUTION: 18% of a class took part in a karate competition if 18 students have taken part in them what is the total number of students in the class

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Question 1102463: 18% of a class took part in a karate competition if 18 students have taken part in them what is the total number of students in the class
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!

18% of x is 18 people, so x has to be 100.
"Per cent" means "per 100" so just remember, when you see a percentage, its the same as if you wrote that percentage as a fraction using 100 in the denominator: 18% = 18/100.