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Leah wants to shrink her photos to fit a computer screen. He

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GMAT Club Legend
GMAT Club Legend
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Joined: 07 Jun 2014
Posts: 4749
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 93

Kudos [?]: 1650 [0], given: 396

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Leah wants to shrink her photos to fit a computer screen. He [#permalink] New post 03 Apr 2017, 03:15
Expert's post
00:00

Question Stats:

100% (00:38) correct 0% (00:00) wrong based on 3 sessions
Leah wants to shrink her photos to fit a computer screen. Her photos currently have a width of 1,024 pixels and a height of 768 pixels. If she reduces the width to 800 pixels, then to what height, in pixels, must she reduce the photos to preserve the same ratio of width to height?

A. 1,066.7
B. 600
C. 576
D. 544
E. 500

Drill 3
Question: 5
Page: 319
[Reveal] Spoiler: OA

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Sandy
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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4749
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 93

Kudos [?]: 1650 [0], given: 396

CAT Tests
Re: Leah wants to shrink her photos to fit a computer screen. He [#permalink] New post 03 Apr 2017, 05:33
Expert's post
Explanation

Set up a proportion so that the original ratio equals the final ratio:\(\frac{1024}{800}=\frac{768}{x}\) .


Cross multiply and then divide both sides by 1024 to find x = 600.

Hence option B is correct.
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Sandy
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Re: Leah wants to shrink her photos to fit a computer screen. He   [#permalink] 03 Apr 2017, 05:33
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Leah wants to shrink her photos to fit a computer screen. He

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