What is 15 of 90

The Answer is 13.5

How to Calculate:

Unknown value ‘Y’
100% / 90 = 15% / Y
100 / 90 = 15 / Y
Y ( 100 / 90 ) = 15
Y = 15 ( 90 / 100 )
Y = 13.5

Answer: 13.5

Reference: 15 of 90