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23 Nov 2015, 13:13
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
83% (01:31) correct
17%
(01:34)
wrong
based on 219
sessions
History
Date
Time
Result
Not Attempted Yet
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
(A) 191
(B) 355
(C) 737
(D) 840
(E) 1,560
23 Nov 2015, 19:33
Kudos
Bookmarks
Let weight of side of beef before processing = x
(65/100)*x = 546
=> x = (546 * 100)/65 = 840
Answer D
(65/100)*x = 546
=> x = (546 * 100)/65 = 840
Answer D
25 Nov 2015, 10:42
Kudos
Bookmarks
Hi All,
Since this prompt asks for the weight of the meat BEFORE it lost 35% of its weight, and the answer choices are numbers, we can TEST THE ANSWERS.
We're told that the 'after'-weight is 546 pounds, so the 'before'-weight clearly has to be higher than that. Considering the 35% drop in weight, the likely Answer is either C or D, so we'll start with one of those...
Answer D: 840 pounds
10% of 840 = 84 pounds
35% of 840 = 3.5(84) = 294 pounds
840 - 294 = 546 pounds
This is an exact MATCH for what we were told, so this MUST be the answer.
Final Answer:
GMAT assassins aren't born, they're made,
Rich
Since this prompt asks for the weight of the meat BEFORE it lost 35% of its weight, and the answer choices are numbers, we can TEST THE ANSWERS.
We're told that the 'after'-weight is 546 pounds, so the 'before'-weight clearly has to be higher than that. Considering the 35% drop in weight, the likely Answer is either C or D, so we'll start with one of those...
Answer D: 840 pounds
10% of 840 = 84 pounds
35% of 840 = 3.5(84) = 294 pounds
840 - 294 = 546 pounds
This is an exact MATCH for what we were told, so this MUST be the answer.
Final Answer:
GMAT assassins aren't born, they're made,
Rich
