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18 Jul 2016, 08:17
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B
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Difficulty:
25%
(medium)
Question Stats:
77% (01:21) correct
23%
(01:20)
wrong
based on 121
sessions
History
Date
Time
Result
Not Attempted Yet
If Peter spends $460 on three pairs of shoes, how much did the least expansive shoes cost?
(1) The ratio between the most expansive shoes to the least expansive shoes is 3 to 1.
(2) The ratio between the least expansive shoes to all the other ones is 1 to 5.
(1) The ratio between the most expansive shoes to the least expansive shoes is 3 to 1.
(2) The ratio between the least expansive shoes to all the other ones is 1 to 5.
18 Jul 2016, 19:25
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Total = 460; Least expensive shoes = ?
St1: The ratio between the most expansive shoes to the least expansive shoes is 3 to 1. --> Clearly insufficient as we do not know the price of the middle one.
St2: The ratio between the least expansive shoes to all the other ones is 1 to 5. --> Least : Other = 1 : 5
Least = 1/6 * 460.
Sufficient
Answer: B
St1: The ratio between the most expansive shoes to the least expansive shoes is 3 to 1. --> Clearly insufficient as we do not know the price of the middle one.
St2: The ratio between the least expansive shoes to all the other ones is 1 to 5. --> Least : Other = 1 : 5
Least = 1/6 * 460.
Sufficient
Answer: B
zw504
Joined: 05 Jul 2016
Last visit: 13 Apr 2017
Posts: 22
Own Kudos:
Given Kudos: 129
Location: China
Concentration: Finance, Nonprofit
Schools: Carroll '19 (WL) Marshall '19 (D) Duke '19 (D) McDonough '19 (A) Boston U '19 (A$) Mason '18 (A$)
GMAT 1: 680 Q49 V33
GMAT 2: 690 Q51 V31
GMAT 3: 710 Q50 V36
GPA: 3.4
Schools: Carroll '19 (WL) Marshall '19 (D) Duke '19 (D) McDonough '19 (A) Boston U '19 (A$) Mason '18 (A$)
GMAT 3: 710 Q50 V36
Posts: 22
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19 Jul 2016, 01:59
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x+y+z=460 (x is the least expensive, then y, then z)
1) x+y+3x=460-->4x+y=460
insufficient
2) x+5x=460, then x=76.67
sufficient
B
1) x+y+3x=460-->4x+y=460
insufficient
2) x+5x=460, then x=76.67
sufficient
B
