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At the bakery, Lew spent a total of $6.00 for one kind of

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Manager
Manager
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Joined: 05 Jan 2009
Posts: 83
Followers: 1

Kudos [?]: 29 [0], given: 2

At the bakery, Lew spent a total of $6.00 for one kind of [#permalink] New post 07 Apr 2009, 09:57
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E

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At the bakery, Lew spent a total of $6.00 for one kind of cupcake and one kind of doughnut. How many doughnuts did he buy?

(1) The price of 2 doughnuts was $0.10 less than the price of 3 cupcakes.
(2) The average (arithmetic mean) price of 1 doughnut and 1 cupcake was $0.35.
[Reveal] Spoiler: OA

Last edited by Bunuel on 27 Jul 2015, 13:51, edited 1 time in total.
Renamed the topic, edited the question and added the OA.
Director
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Kudos [?]: 222 [0], given: 7

Re: At the bakery, Lew spent a total of $6.00 for one kind of [#permalink] New post 10 Apr 2009, 08:39
E.
$x#c+$y#d=6

d=?

Each statement by itself is not suff.

1&2 together:
0.3c +0.4d=6
or
3c+4d=60

The above implies more than 1 potential value for d:
E.g. d=3, c=16 or d=6, c=12
Hence, E.
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Re: At the bakery, Lew spent a total of $6.00 for one kind of [#permalink] New post 13 Apr 2009, 17:41
4 variables 3 eqns Ans E.
Senior Manager
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Re: At the bakery, Lew spent a total of $6.00 for one kind of [#permalink] New post 13 Apr 2009, 18:56
From stmnt 1 it's possible to figure out the price per cupcake, but that's not enough.
stmnt2 - just the sum of prices.
Combining does not help.

Answer: E.
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Kudos [?]: 12 [0], given: 13

Re: At the bakery, Lew spent a total of $6.00 for one kind of [#permalink] New post 25 Jan 2010, 19:51
Looking into the question it seems as if one kind of cup cake and one kind of donut refers to 1 cup cake and 1 Donut.
In that case we would get 1C+1D=6.

How is it by the wording we can be sure that one kind of cup cake refers to more than one cup cake.

Please clarify
Re: At the bakery, Lew spent a total of $6.00 for one kind of   [#permalink] 25 Jan 2010, 19:51
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