Question

A number is increased by 20percent .By what percent the new number is decreased so that the number restores the original value

Answer 1

Answer:

Step-by-step explanation:

Let th number is 100

20% of 100 is 20

New number is 100 +20 = 120

Percent of 120 is 100%

Percentage of 100 in 120

100/120*100

= 83.3 %

Percentage of 120 is 100%

So 100-83.3 = 16.7 %

So 120 is decrease 16.7% so it restored