A side of beef lost 35 percent of its weight in processing. If the side of beef weighed 546 pounds after processing, how many pounds did it weigh before processing? Pick one.
A) 191 B) 355 C) 737 D) 840 E) 1,560

Rationale: "let weight of side of beef before processing = x ( 65 / 100 ) * x = 546 = > x = ( 546 * 100 ) / 65 = 840 answer d"
Answer: D