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



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