Question

a number is increased by 10% and then the increased number is decreased by 10%. find the net increase or decrease in percent

Answer 1

Answer:

Step-by-step explanation:

Let the number = 100 .

Then it is increased by 10% :

100+10 = 110

Then again it is decreased by 10%

110- (10/100×110) = 110-11 = 99 .

THE NET DECREASE = 100-99 = 1%

Answer 2

net increase or decrease in percent is
10-10-10×10/100
-1%