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# Marta bought several pencils. If each pencil was either

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Manager
Joined: 30 Aug 2007
Posts: 62
Followers: 1

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

Marta bought several pencils. If each pencil was either [#permalink]  02 Oct 2007, 12:22
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Q18)
Marta bought several pencils. If each pencil was either a 23-cent pencil or a 21-cent pencil, how many 23-cent pencils did Marta buy?

(1) Marta bought a total of 6 pencils.
(2) The total value of the pencils Marta bought was 130 cents.
Director
Joined: 17 Sep 2005
Posts: 930
Followers: 3

Kudos [?]: 38 [0], given: 0

ST 2 alone is SUFF.

130 cents can have only possible combination of 2 * 23 + 4*21

So No of 23 cents Pencil = 2.

Hence B.

- Brajesh
Manager
Joined: 30 Aug 2007
Posts: 62
Followers: 1

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

OA is B.

I got tricked and put down C asI immediately concluded 2 eqns, 2 unknowns.

Thanks.

A.
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