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17 Feb 2015, 11:37
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
74% (01:41) correct
26%
(01:53)
wrong
based on 261
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History
Date
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Not Attempted Yet
Cream costs twice as much as skim milk. A certain brand of milk is 1/4 cream and 3/4 skim milk. What fraction of the cost of this brand is due to the cream?
a) 1/3
b)1/2
c) 2/5
d) 3/5
e) 3/4
a) 1/3
b)1/2
c) 2/5
d) 3/5
e) 3/4
17 Feb 2015, 21:26
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Hi Awli,
This question can be solved Algebraically or by TESTing VALUES. Here's how to TEST VALUES:
We're told that Cream costs twice as much as Skim Milk.
M = cost of Skim Milk = $2
C = cost of Cream = $4
We're told that a certain brand of milk is 1/4 cream and 3/4 skim milk. In real simple terms, that means for every "part" of cream there are 3 "parts" of skim milk.
Brand milk =
(1 part cream)($4) = $4
(3 parts skim milk)($2) = $6
Total price = $4 + $6 = $10
The question asks for the part of the price that is due to the CREAM.
Cream = $4
Total = $10
$4/$10 = 4/10 = 2/5
Final Answer:
GMAT assassins aren't born, they're made,
Rich
This question can be solved Algebraically or by TESTing VALUES. Here's how to TEST VALUES:
We're told that Cream costs twice as much as Skim Milk.
M = cost of Skim Milk = $2
C = cost of Cream = $4
We're told that a certain brand of milk is 1/4 cream and 3/4 skim milk. In real simple terms, that means for every "part" of cream there are 3 "parts" of skim milk.
Brand milk =
(1 part cream)($4) = $4
(3 parts skim milk)($2) = $6
Total price = $4 + $6 = $10
The question asks for the part of the price that is due to the CREAM.
Cream = $4
Total = $10
$4/$10 = 4/10 = 2/5
Final Answer:
GMAT assassins aren't born, they're made,
Rich
19 Feb 2015, 10:37
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Bookmarks
EMPOWERgmatRichC
Hi Awli,
This question can be solved Algebraically or by TESTing VALUES. Here's how to TEST VALUES:
We're told that Cream costs twice as much as Skim Milk.
M = cost of Skim Milk = $2
C = cost of Cream = $4
We're told that a certain brand of milk is 1/4 cream and 3/4 skim milk. In real simple terms, that means for every "part" of cream there are 3 "parts" of skim milk.
Brand milk =
(1 part cream)($4) = $4
(3 parts skim milk)($2) = $6
Total price = $4 + $6 = $10
The question asks for the part of the price that is due to the CREAM.
Cream = $4
Total = $10
$4/$10 = 4/10 = 2/5
Final Answer:
GMAT assassins aren't born, they're made,
Rich
This question can be solved Algebraically or by TESTing VALUES. Here's how to TEST VALUES:
We're told that Cream costs twice as much as Skim Milk.
M = cost of Skim Milk = $2
C = cost of Cream = $4
We're told that a certain brand of milk is 1/4 cream and 3/4 skim milk. In real simple terms, that means for every "part" of cream there are 3 "parts" of skim milk.
Brand milk =
(1 part cream)($4) = $4
(3 parts skim milk)($2) = $6
Total price = $4 + $6 = $10
The question asks for the part of the price that is due to the CREAM.
Cream = $4
Total = $10
$4/$10 = 4/10 = 2/5
Final Answer:
GMAT assassins aren't born, they're made,
Rich
Thank you very much!
