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