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In 8 years, Polly’s age, which is currently p, will be twice

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GMAT Club Legend
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Joined: 07 Jun 2014
Posts: 4750
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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Kudos [?]: 1665 [0], given: 396

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In 8 years, Polly’s age, which is currently p, will be twice [#permalink] New post 14 Jun 2018, 14:02
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Question Stats:

77% (00:49) correct 22% (00:25) wrong based on 9 sessions
In 8 years, Polly’s age, which is currently p, will be twice Quan’s age, which is currently q.

Quantity A
Quantity B
p – 8
\(2q\)


A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Joined: 27 Feb 2017
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Kudos [?]: 45 [0], given: 15

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Re: In 8 years, Polly’s age, which is currently p, will be twice [#permalink] New post 15 Jun 2018, 10:04
Can someone please give official answer and also explain, especially 'A'?
GMAT Club Legend
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User avatar
Joined: 07 Jun 2014
Posts: 4750
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
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Kudos [?]: 1665 [0], given: 396

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Re: In 8 years, Polly’s age, which is currently p, will be twice [#permalink] New post 16 Jun 2018, 13:25
Expert's post
Explanation

This is an algebraic translation question, so start by translating the given information into equations. Remember to add 8 to both Polly and Quan’s ages, because they will both be 8 years older in 8 years!

\(p + 8 = 2(q + 8)\)

\(p + 8 = 2q + 16\)

\(p = 2q + 8\)

\(p - 8 = 2q\)

Hence option C is correct!
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Sandy
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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4750
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 93

Kudos [?]: 1665 [0], given: 396

CAT Tests
Re: In 8 years, Polly’s age, which is currently p, will be twice [#permalink] New post 05 Jul 2018, 01:30
Expert's post
Explanation

This is an algebraic translation question, so start by translating the given information into equations. Remember to add 8 to both Polly and Quan’s ages, because they will both be 8 years older in 8 years!

\(p + 8 = 2(q + 8)\)

\(p + 8 = 2q + 16\)

\(p = 2q + 8\)

\(p - 8 = 2q\)


Hence options C is correct!
_________________

Sandy
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Re: In 8 years, Polly’s age, which is currently p, will be twice   [#permalink] 05 Jul 2018, 01:30
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In 8 years, Polly’s age, which is currently p, will be twice

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