A doctor prescribed 18 cubic centimeters of a certain drug to a patient whose body weight was 120 pounds. If the typical dosage is 4 cubic centimeters per 15 pounds of the body weight, by what percent was the prescribed dosage lesser than the typical dosage?
Choose the correct answer
A) 8%  B) 9%  C) 11%  D) 12.5%  E) -87.5%
Typical dosage per 15 pound of the body weight = 4 c.c   Typical dosage per 120 pound of the body weight = 4 *(120/15)   = 4 * 8= 
<gadget id="calculator">4 * 8</gadget>
<output>32</output>
32 c.c   Dosage prescribed by doctor for 120 pound patient= 18 c.c   % prescribed dosage greater than the typical dosage = (18-32/16) *100%   =(-14/16) *100%   = -87..5%   Answer -87.5%
<result>E</result>
A doctor prescribed 18 cubic centimeters of a certain drug to a patient whose body weight was 120 pounds. If the typical dosage is 4 cubic centimeters per 15 pounds of the body weight, by what percent was the prescribed dosage lesser than the typical dosage?