What is 20 Percent of 400? The Answer is 80

How to Calculate:

Unknown value 'Y'

100% / 400 = 20% / Y
100 / 400 = 20 / Y
Y ( 100 / 400 ) = 20
Y = 20 ( 400 / 100 )

 

Answer: Y = 80

 

 

Reference: 20 Percent of 400