Question

4. The population of a place in a particular year increased by 15% Next year, it decreased by 15%. Find the
net increase or decrease percent in the initial population​

Answer 1

Answer:

2.25%

Step-by-step explanation:

Let the initial population be 100 first year it increases by 100 of 15%=100*15/100=15

=>100+15=115

Next year it decreases by 15% of 115=115*15/100=69/4=17.25

=>115-17.25=97.75 decrease =100-97.75=2.25

decrease%=(2.25/100)*100=2.25%