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Joined: 25 Dec 2008
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12 Jan 2009, 06:25
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What is the ratio of the number of cups of flour to the number of cups of sugar in a certain cake recipe?
A. The number of cups of flour required is 250% of the number of cups of sugar required in a certain recipe.
B. 3/2 more cups of flour than cups of sugar are required in the recipe
Manager
Joined: 04 Jan 2009
Posts: 236

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12 Jan 2009, 10:42
shobuj40 wrote:
What is the ratio of the number of cups of flour to the number of cups of sugar in a certain cake recipe?
A. The number of cups of flour required is 250% of the number of cups of sugar required in a certain recipe.
B. 3/2 more cups of flour than cups of sugar are required in the recipe

let f & s denote the # cups of flour and sugar respectively.
Then,
A: f=250%s=2.5s (suff)
B: f=3/2+s (not suff)
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tusharvk

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Joined: 29 Aug 2007
Posts: 2457

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12 Jan 2009, 11:50
tusharvk wrote:
shobuj40 wrote:
What is the ratio of the number of cups of flour to the number of cups of sugar in a certain cake recipe?
A. The number of cups of flour required is 250% of the number of cups of sugar required in a certain recipe.
B. 3/2 more cups of flour than cups of sugar are required in the recipe

let f & s denote the # cups of flour and sugar respectively.
Then,
A: f=250%s=2.5s (suff)
B: f=3/2+s (not suff)

B: s = f + 3/2f
s/f = 5/2
s = 2.5f ---------same as A. suff.
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Manager
Joined: 04 Jan 2009
Posts: 236

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12 Jan 2009, 20:45
doesn't the question say that it is 3/2 more cups not 3/2 times more cups?
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tusharvk

Director
Joined: 14 Aug 2007
Posts: 704

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13 Jan 2009, 01:25
GMAT TIGER wrote:
tusharvk wrote:
shobuj40 wrote:
What is the ratio of the number of cups of flour to the number of cups of sugar in a certain cake recipe?
A. The number of cups of flour required is 250% of the number of cups of sugar required in a certain recipe.
B. 3/2 more cups of flour than cups of sugar are required in the recipe

let f & s denote the # cups of flour and sugar respectively.
Then,
A: f=250%s=2.5s (suff)
B: f=3/2+s (not suff)

B: s = f + 3/2f
s/f = 5/2
s = 2.5f ---------same as A. suff.

IMO, B says

f = s + 3/2

Re: Source Gmatprep   [#permalink] 13 Jan 2009, 01:25
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