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1/2 of 0.2 percent equals

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by VJesus12 » Fri Apr 27, 2018 12:53 am

Timer

00:00

Answers

A

B

C

D

E

Stats

Difficulty—

1/2 of 0.2 percent equals

(A) 1
(B) 0.1
(C) 0.01
(D) 0.001
(E) 0.0001

The OA is the option D.

I don't understand what should I do with this question. Can someone help me? Please. I'd be thankful.
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by Brent@GMATPrepNow » Fri Apr 27, 2018 5:41 am
VJesus12 wrote:1/2 of 0.2 percent equals

(A) 1
(B) 0.1
(C) 0.01
(D) 0.001
(E) 0.0001
Fraction, decimals and percents are all similar ways of expressing a quantity.
For example:
19% = 19/100 = 0.19
123% = 123/100 = 1.23
2% = 2/100 = 0.02

So, 0.2% = 0.2/100 = 2/1000 = 0.002

So, 1/2 of 0.2 percent = 1/2 of 0.002
= 0.0001

Answer: D

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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by Vincen » Fri Apr 27, 2018 7:04 am
Hello vjesus12.

I would solve it as follows:

0.2 percent is the same as $$0.2\%\ =\ \frac{0.2}{100}=0.002.$$ Now, we want to calculate 1/2 of 0.2 percent, that is, $$\frac{1}{2}\cdot0.2\%\ =\frac{1}{2}\cdot0.002\ =\ 0.001.$$ This tell us that the correct answer is the option D .

I hope it helps.
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by Scott@TargetTestPrep » Mon Apr 30, 2018 3:42 pm
VJesus12 wrote:1/2 of 0.2 percent equals

(A) 1
(B) 0.1
(C) 0.01
(D) 0.001
(E) 0.0001
1/2 of 0.2 percent is:

1/2 x 0.2/100 = 0.2/200 = 2/2000 = 1/1000 = 0.001.

Answer: D

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