For each of her sales, a saleswoman receives a commission equal to 20 percent of the first $500 of the total amount of the sale, plus 40 percent of the total amount in excess of $500. If the total amount of one of her sales was $800, the saleswoman’s commission was approximately what percent of the total amount of the sale? Choices
A) 22%
B) 24%
C) 25%
D) 27%
E) 28%
Total sales =800   Comission = (20/100)*500+ (40/100)*300   =100 + 120= 
<gadget id="calculator">100 + 120</gadget>
<output>220</output>
220   %Comission=(220/800)*100= 
<gadget id="calculator">(220/800)*100</gadget>
<output>55/2 = around 27.5</output>
27.5~ 28%   Answer is 28%
<result>E</result>
For each of her sales, a saleswoman receives a commission equal to 20 percent of the first $500 of the total amount of the sale, plus 40 percent of the total amount in excess of $500. If the total amount of one of her sales was $800, the saleswoman’s commission was approximately what percent of the total amount of the sale?