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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
Given Kudos: 1053
GPA: 3.39
If 1,600 is increased by 20%, and then reduced by y%, yielding 1,536,
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25 Feb 2021, 06:30
25 Feb 2021, 06:30
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Question Stats:
92% (01:39) correct
7% (01:13) wrong based on 14 sessions
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If 1,600 is increased by 20%, and then reduced by y%, yielding 1,536, what is y?
A. 8
B. 12
C. 16
D. 20
E. 28
A. 8
B. 12
C. 16
D. 20
E. 28
Re: If 1,600 is increased by 20%, and then reduced by y%, yielding 1,536,
[#permalink]
25 Feb 2021, 08:27
25 Feb 2021, 08:27
2
1,600 is increased by 20%
New value = 1600 * 1.2 = 1920
reduced by y%, the new value = 1536
1920 * \(\frac{100-y}{100}\) = 1536
\(\frac{100-y}{100}\) = 0.8
100-y = 80
y=20
Answer D
New value = 1600 * 1.2 = 1920
reduced by y%, the new value = 1536
1920 * \(\frac{100-y}{100}\) = 1536
\(\frac{100-y}{100}\) = 0.8
100-y = 80
y=20
Answer D
gmatclubot
Re: If 1,600 is increased by 20%, and then reduced by y%, yielding 1,536, [#permalink]
25 Feb 2021, 08:27
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