Question

8. A number is increased by 20%. By what per cent the new number is decreased
so that the number restores the original value?
Voteol'​

Answer 1

Answer:

16.67%

Step-by-step explanation:

Let the number be x

20% of x=

100

20

×x=

5

x

The increased number is =x+

5

x

=

5

6x

Let the percentage decrease be 100-y

100

y

×

5

6x

=x

y=

6

500

=83.33%

So 100−y=100−83.33=16.67