Question

A number is first increased by 20% then decreased by 20%. Find the nel increase or decrease in the number.​

Answer 1

Answer:

Step-by-step explanation:

→ let the number is 100

→ increase 20%=100+20=120

→ decrease of 20% on 120

=(20/100)×120=24

→ net amount 120–24=96

→ So decrease 100–96=4

→ decrease of 4 out of 100

→ percentage of decrease 4%

Answer 2

Step-by-step explanation:

Let the number be 100

20% increase = 100 + 20/100 x 100 = 120

20% decrease = 120 - 20/100 x 120 = 96

So, 100-96 = 4

net decrease is 4

HOPE IT WILL HELP !!!