What is 10 Percent of 40? The Answer is 4

How to Calculate:

Unknown value 'Y'

100% / 40 = 10% / Y

100 / 40 = 10 / Y
Y ( 100 / 40 ) = 10
Y = 10 ( 40 / 100 )
Y = 4

 

Answer: 4

 

 

Reference: 10 Percent of 40