Sick Children Percentage

In the first week of March, 5% of children in the kindergarten fell ill. In the second week of March, another 9 children fell sick, increasing to 20% of the total number of children. How many children went to kindergarten?

Final Answer:

n =  60

Step-by-step explanation:


0.05n + 9 = 0.20n

0.05·n + 9 = 0.20·n

0.15n = 9


n = 9/0.15 = 60

n = 60

Our simple equation calculator calculates it.



Help us improve the example. If you find a mistake, let us know. Thank you!







Tips for related online calculators
Our percentage calculator will help you quickly and easily solve a variety of common percentage-related problems.
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?

You need to know the following knowledge to solve this word math problem:

algebrabasic operations and conceptsGrade of the word problem

Related math problems and questions: