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Percentages - basics!

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Percentages - basics!

by MI3 » Sun May 15, 2011 2:08 am
Hello,

Am stuck with a very basic problem, can someone out there assist and help clear the concept?

Q. 0.35 represents what percent of 0.007?
A. 0.05%
B. 0.5%
C. 5%
D. 500%
E. 5000%

I chose answer E .

Many Thanks
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by pemdas » Sun May 15, 2011 12:52 pm
indeed basic q.
i always translate decimals into ratios

0.35=35/100 or 7/20
0.007=7/1000

7/20 : 7/1000 = 7/20 * 1000/7 = 1000/20 = 50 (this number representation of percents, as we know 1 in number representation is 100%), 50*100%= 5,000%
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by MI3 » Sun May 15, 2011 9:28 pm
Thank you, that made it a lot easier and made me wonder why I was even confused :/ !!
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by Jeff@TargetTestPrep » Mon Dec 11, 2017 10:01 am
MI3 wrote:Hello,

Am stuck with a very basic problem, can someone out there assist and help clear the concept?

Q. 0.35 represents what percent of 0.007?
A. 0.05%
B. 0.5%
C. 5%
D. 500%
E. 5000%
0.35 as a percent of 0.0007 is:

0.35/0.007 x 100 = 350/7 x 100 = 50 x 100 = 5,000 percent

Answer: E

Jeffrey Miller
Head of GMAT Instruction
[email protected]

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