16 is what % of 90?	Select the correct option.
A) 16
B) 17.78
C) 17
D) 18.5
E) 18.23

Rationale: we assume that 90 is 100 % assume ' x ' is value we looking for here , 90 = 100 % and x % = 16 therefore , 100 / x = 90 / 16 100 / x = 5.625 x = 17.78 b
Answer: B