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 $106 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 choice from the following options
A) 8% B) 47% C) 45% D) 52% E) 56%
(9/106)/(3/20) = 30/54 = 56,6% it means that 9/106 represents only 56,6%. Therefore a decrease of 47%.   Answer 47%
<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 $106 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?