Question

if x is 10% more than y then by what percent is y less than x​

Answer 1

Let y be 100.
x = 20+y
x = 20+100
x = 120

Change = 120-100= 20
Change%= change/original value × 100
= 20/100 × 100
= 20% 
Hence, y is 20% smaller than x

Answer 2

Answer:

Step-by-step explanation:

GIVEN

x is 10% more than y

x=y+10/100*y

x=11y/10

x=1.1y

y is 0.1 less than x

=0.1/1*100

=10%