Question

in the population of a city increases 15% annually
If the
the present population is 20 4 700 & find the populat
on a year ago .​

Answer 1

Step-by-step explanation:

Solution

Let last year population be = x

increase percent = 15%

so present population= x+ 15% of x = 1.15x

:. 1.15 x = 20700

x = 20700/ 1.15 = 18000

so last year population was 18000

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Answer 2

Answer:

Q1

Ex. (1) The population of a city increases at compounding rate of 8% per year. Find the population in the year 2012 if populatin in the year 2010 was 2,50,000