A doctor prescribed 12 cubic centimeters of a certain drug to a patient whose body weight was 120 pounds. If the typical dosage is 2 cubic centimeters per 15 pounds of the body weight, by what percent was the prescribed dosage lesser than the typical dosage?  Pick one.
A) 8% B) -25% C) 11% D) 12.5% E) 14.8%
Typical dosage per 15 pound of the body weight = 2 c.c   Typical dosage per 120 pound of the body weight = 2 *(120/15)   = 2 * 8= 
<gadget id="calculator">2 * 8</gadget>
<output>16</output>
16 c.c   Dosage prescribed by doctor for 120 pound patient= 12 c.c   % prescribed dosage greater than the typical dosage = (12-16/16) *100%   =(-4/16) *100%   = -25%   Answer -25%
<result>B</result>
A doctor prescribed 12 cubic centimeters of a certain drug to a patient whose body weight was 120 pounds. If the typical dosage is 2 cubic centimeters per 15 pounds of the body weight, by what percent was the prescribed dosage lesser than the typical dosage?