A pharmaceutical company received $3 million in royalties on the first $20 million in sales of and then $9 million in royalties on the next $108 million in sales. By approximately what percentage did the ratio of royalties to sales decrease from the first $20 million in sales to the next $108 million in sales?  Choose the correct answer:	A) 8%	B) 15%	C) 45%	D) 52%	E) 56%
First ratio= 3/20=15%   second ratio = (3+12)/(9+108)=15/117= 12,8%   decrease = 2,2%   2,2%/15%=15% approximately.   ANSWER:15%
<result>B</result>
A pharmaceutical company received $3 million in royalties on the first $20 million in sales of and then $9 million in royalties on the next $108 million in sales. By approximately what percentage did the ratio of royalties to sales decrease from the first $20 million in sales to the next $108 million in sales?