Question

10.
A number is first increased
by 20% and then decreased by
20% What is the net increase
decrease percentage
​

Answer 1

Answer:

4%

Step-by-step explanation:

net decrease

= 20-20 + (20)^2/100 = 4%

Answer 2

Answer:

Number. 100

when increased by 20%=120

then decreased by 20%=120x80/100 = 96

decrease

decrease Percentage=100-96=4%