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Each graph represents the average hours per week each group

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Founder
Joined: 18 Apr 2015
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Each graph represents the average hours per week each group [#permalink]  14 Oct 2018, 03:42
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Question Stats:

83% (01:50) correct 16% (02:20) wrong based on 6 sessions
Attachment:

graph.jpg [ 92.57 KiB | Viewed 487 times ]

Each graph represents the average hours per week each group spends on each source.

Approximately what percent of the entertainment time per week, which is charted, is spent by a person in their 50s on the Internet?

A. 3%

B. 5%

C. 21%

D. 26%

E. 46%
[Reveal] Spoiler: OA

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Founder
Joined: 18 Apr 2015
Posts: 10110
Followers: 209

Kudos [?]: 2503 [0], given: 9500

Re: Each graph represents the average hours per week each group [#permalink]  25 Mar 2020, 18:38
Expert's post
reading the statement could be a little blurry.

Basically the question is asking which is the % of time dedicated to the internet by people in their 50's on the total amount of time of hours/week spent by the same cluster as a whole.

I.E.

the purple section represents in the second graph the total amount of hours by the 50's spread among all the resources, which is 41 hours

On the internet they spent 2 hours per week

$$\frac{x}{100}$$ of 41 is 2

$$\frac{x}{100} 41 = 2$$

$$x=\frac{200}{41} \approx$$ 5%

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