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The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approxim

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Joined: 02 Sep 2009
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The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approxim [#permalink]

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11 Jan 2018, 20:29
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15% (low)

Question Stats:

100% (00:37) correct 0% (00:00) wrong based on 25 sessions

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The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approximately what percent of one hour?

A. 27%
B. 17%
C. 11%
D. 10%
E. 6%
[Reveal] Spoiler: OA

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Concentration: Finance
Re: The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approxim [#permalink]

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11 Jan 2018, 22:54
Convert minutes in seconds

6*60+35+3*60+20
360+35+180+20= 595

Divide by 3600 to convert seconds in to hours

$$\frac{595}{3600}$$~$$\frac{600}{3600}$$~$$\frac{1}{6}$$~17%

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Joined: 22 May 2016
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The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approxim [#permalink]

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20 Jan 2018, 15:37
Bunuel wrote:
The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approximately what percent of one hour?

A. 27%
B. 17%
C. 11%
D. 10%
E. 6%

Add minutes: (6+3) = 9 minutes
Add seconds: (30+25) = 55 seconds $$\approx{1}$$ minute

(9 + 1) = 10 minutes
1 hour = 60 minutes

$$\frac{10}{60}=\frac{1}{6}*100 = (.167 * 100) = 16.7$$ %

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Re: The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approxim [#permalink]

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21 Jan 2018, 08:25
Bunuel wrote:
The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approximately what percent of one hour?

A. 27%
B. 17%
C. 11%
D. 10%
E. 6%

$$\frac{( 6*60 + 35 ) + ( 3*60 + 20 )}{60*60}*100$$

= $$\frac{395 + 200}{3600}*100$$

= 16.53%

~ 17 % answer will be (B)
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Re: The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approxim   [#permalink] 21 Jan 2018, 08:25
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The sum of 6 minutes, 35 seconds and 3 minutes, 20 seconds is approxim

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