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a is 40% of 45 and 18 is b% of 90

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GMAT Club Legend
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Joined: 07 Jun 2014
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GRE 1: Q167 V156
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a is 40% of 45 and 18 is b% of 90 [#permalink] New post 28 Dec 2016, 15:10
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Question Stats:

81% (00:46) correct 18% (01:10) wrong based on 11 sessions
a is 40% of 45
18 is b% of 90

Quantity A
Quantity B
a
b


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.




Drill 2
Question: 8
Page: 314 - 315
[Reveal] Spoiler: OA

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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4711
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 91

Kudos [?]: 1615 [0], given: 376

CAT Tests
Re: a is 40% of 45 and 18 is b% of 90 [#permalink] New post 28 Dec 2016, 15:24
Expert's post
Explanation

Solve each equation by translating into algebra. The first is \(a=\frac{40}{100} \times 45\). Reduce and multiply to find a = 18. The second is \(18=\frac{b}{100} \times 90\). Multiply both sides by 100 then divide by 90 to find b = 20.

Quantity B is greater.
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Re: a is 40% of 45 and 18 is b% of 90 [#permalink] New post 16 Jan 2017, 20:00
C)The two quantities are equal.
GMAT Club Legend
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Joined: 07 Jun 2014
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GRE 1: Q167 V156
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Re: a is 40% of 45 and 18 is b% of 90 [#permalink] New post 18 Jan 2017, 07:49
Expert's post
maudiekmyers wrote:
C)The two quantities are equal.


Why do you think C is the correct option. Please share.
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Re: a is 40% of 45 and 18 is b% of 90 [#permalink] New post 29 May 2018, 09:49
sandy wrote:
Explanation

Solve each equation by translating into algebra. The first is \(a=\frac{40}{100} \times 45\). Reduce and multiply to find a = 18. The second is \(18=\frac{b}{100} \times 90\). Multiply both sides by 100 then divide by 90 to find b = 20.

Quantity B is greater.


Please correct the answer choice in the spoiler.
GMAT Club Legend
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User avatar
Joined: 07 Jun 2014
Posts: 4711
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 91

Kudos [?]: 1615 [0], given: 376

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Re: a is 40% of 45 and 18 is b% of 90 [#permalink] New post 29 May 2018, 10:24
Expert's post
Thanks! Fixed.
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Re: a is 40% of 45 and 18 is b% of 90   [#permalink] 29 May 2018, 10:24
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a is 40% of 45 and 18 is b% of 90

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