After a 5% increase, the population of a city is 117000.

Question

After a 5% increase, the population of a city is 117000.After a 5% increase, the population of a city is 117000. What was the former population? (Remember: Do not use commas in your answer!)

Answer 1

after 5% increase, the population is 117,000

5% = 0.05

Let P be the original population before the increase

P+0.05P = 117,000

(1.05)P = 117,000

P = 117,000/1.05 = 111,429 rounded off to nearest integer

P= 111429

111,429 + 5% = 111,429 + 5571 = 117,000