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Each of the pair of shoes available in a store is of either Reebok
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23 Mar 2019, 00:35
23 Mar 2019, 00:35
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Difficulty:
35%
(medium)
Question Stats:
72% (01:55) correct
28%
(02:41)
wrong
based on 154
sessions
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%
A. 16.66%
B. 20%
C. 33.33%
D. 40%
E. 50%
Re: Each of the pair of shoes available in a store is of either Reebok
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23 Mar 2019, 02:13
23 Mar 2019, 02:13
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Expert Reply
kiran120680
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%
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]
23 Mar 2019, 09:48
23 Mar 2019, 09:48
kiran120680
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%
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
