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# A bake sale sells only individual cupcakes and boxes of cookies.

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Senior SC Moderator
Joined: 14 Nov 2016
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Location: Malaysia
A bake sale sells only individual cupcakes and boxes of cookies. [#permalink]

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17 Feb 2017, 21:20
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45% (medium)

Question Stats:

63% (00:40) correct 37% (00:40) wrong based on 30 sessions

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A bake sale sells only individual cupcakes and boxes of cookies. If cupcakes sell for $$2$$ each, and a box of cookies sells for $$15$$, how many boxes of cookies did Kevin buy?

(1) Kevin spent $$27$$
(2) Kevin bought $$6$$ cupcakes
[Reveal] Spoiler: OA

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Re: A bake sale sells only individual cupcakes and boxes of cookies. [#permalink]

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17 Feb 2017, 22:38
Let C be the cup cakes and B be the box of cookies. B = ?

St1: 2C + 15B = 27.
Possible values of B = 0 or 1. B cannot be 0 as 2C cannot be odd. So B = 1.
Sufficient.

St2: C = 6. Clearly insufficient.

Re: A bake sale sells only individual cupcakes and boxes of cookies.   [#permalink] 17 Feb 2017, 22:38
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