Question

a number was increase by 20% and then decreased by 20%the net increase or decrease percentage is​

Answer 1

Answer:

4% decrease

Step-by-step explanation:

formula= x+y+x*y/100

20-20+20*-20/100

20-20-4

20-24

-4

4% decrease

Answer 2

Answer:

Step-by-step explanation:

let the number is 100

increase 20%=100+20=120

decrease of 20% on 120

=(20/100)×120=24

nett amount 120–24=96

So decrease 100–96=4

decrease of 4 out of 100

percentage of decrease 4%