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Bunuel
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Bunuel
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?

(A) 191
(B) 355
(C) 737
(D) 840
(E) 1,560

Let the weight of the beef before processing be 100 after processing , weight of the beef is 65

When the weight of the beef is 65 (after processing) ; weight of the beef before processing is 100

When the weight of the beef is 1 (after processing) ; weight of the beef before processing is 100/65

When the weight of the beef is 540 (after processing) ; weight of the beef before processing is (100/65)*540 => 840

Hence answer is (D)
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let the weight of the side of beef before processing be x pounds
it lost 35 % of its weight during processing so now the weight is .65x
but .65x = 546 pounds
so weight of side of beef before processing is x = 840 pounds
correct answer - D
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Bunuel
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?

(A) 191
(B) 355
(C) 737
(D) 840
(E) 1,560

We can create the equation where n = the weight of the beef before processing:

0.65n = 546

n = 546/0.65 = 840

Answer: D
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