One percent

One percent of all the lights in the city are LED, and the remaining 99% are conventional. Other types are not there. John counted them honestly, but he had counted only conventional. After a good dinner, he registered numbers, and he gave notice that from all the lights in this city, he doesn't count LED contains 2%.

What percentage of lights in a city does John count?

Correct answer:

p =  50 %

Step-by-step explanation:

 0.01n / (n  p/100 n) = 0.02 0.01 / (1  p/100) = 0.02 1 = 2   (1p/100) 0.5 = p/100 p=0.5 100=50%



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

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

Related math problems and questions: