A doctor prescribed 18 cubic centimeters of a certain drug to a patient whose body weight was 115 pounds. If the typical dosage is 2 cubic centimeters per 15 pounds of the body weight, by what percent was the prescribed dosage greater than the typical dosage?
Options
A) 8%	B) 9%	C) 11%	D) 12.5%	E) 13.03%
Typical dosage is Dose : weight :: 2: 15.   Now if weight is 115 :(115/15)) then typical dosage would be 2 *7.67 = 15.33 cc.   Dosage = 18 cc. Dosage is greater by 2 cc.   % dosage is greater: (2 / 15.33)*100 = 13.03 %   13.03% is the answer.
<result>E</result>
A doctor prescribed 18 cubic centimeters of a certain drug to a patient whose body weight was 115 pounds. If the typical dosage is 2 cubic centimeters per 15 pounds of the body weight, by what percent was the prescribed dosage greater than the typical dosage?