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# Each of the pair of shoes available in a store is of either Reebok

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Senior Manager
Joined: 18 Feb 2019
Posts: 283
Location: India
GMAT 1: 490 Q47 V13
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Each of the pair of shoes available in a store is of either Reebok  [#permalink]

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23 Mar 2019, 00:35
2
00:00

Difficulty:

35% (medium)

Question Stats:

68% (02:19) correct 32% (02:40) wrong based on 22 sessions

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Each of the pair of shoes available in a store is of either Reebok or Adidas. Due to off-season 10% of the Reebok and 15% of the Adidas shoes were on sale. What percentage of the store stock was of Adidas shoes, if 12% of the store's stock was on sale?

A. 16.66%
B. 20%
C. 33.33%
D. 40%
E. 50%
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Joined: 02 Aug 2009
Posts: 7573
Re: Each of the pair of shoes available in a store is of either Reebok  [#permalink]

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23 Mar 2019, 02:13
kiran120680 wrote:
Each of the pair of shoes available in a store is of either Reebok or Adidas. Due to off-season 10% of the Reebok and 15% of the Adidas shoes were on sale. What percentage of the store stock was of Adidas shoes, if 12% of the store's stock was on sale?

A. 16.66%
B. 20%
C. 33.33%
D. 40%
E. 50%

This is a typical weighted average method...
Quantity of Adidas as a % of total = $$\frac{12-10}{15-10}*100=40$$%

D
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Re: Each of the pair of shoes available in a store is of either Reebok  [#permalink]

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23 Mar 2019, 09:48
kiran120680 wrote:
Each of the pair of shoes available in a store is of either Reebok or Adidas. Due to off-season 10% of the Reebok and 15% of the Adidas shoes were on sale. What percentage of the store stock was of Adidas shoes, if 12% of the store's stock was on sale?

A. 16.66%
B. 20%
C. 33.33%
D. 40%
E. 50%

weighted avg
10----12------15
so
%
12-10/15-10 * 100 = 40%
IMO D
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Re: Each of the pair of shoes available in a store is of either Reebok   [#permalink] 23 Mar 2019, 09:48
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