Question

The population of the city increased by 20% and became 900000. the original population of the city was:

Answer 1

To find the answer to this question ask yourself this question: What is 20% of 900,000?

Here is your answer:

900000/x=100/20

(900000/x)*x=(100/20)*x

900000=5*x

900000/5=x

180000=x

x=180000

Therefore the original population of the city was "180,000."

Hope this helps!