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What is the ratio of the number of people in group 2 with th

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What is the ratio of the number of people in group 2 with th [#permalink] New post 30 Jan 2016, 17:34
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84% (01:11) correct 15% (01:32) wrong based on 33 sessions
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What is the ratio of the number of people in group 2 with the ailment sneezing and itchy eyes to the total number of people in both groups with the ailment sneezing and itchy eyes?


Give your answer as a fraction.

Practice Questions
Question: 20
Page: 471
Difficulty: medium


[Reveal] Spoiler: OA
\(\frac{44}{68}\)

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Re: What is the ratio of the number of people in group 2 with th [#permalink] New post 30 Jan 2016, 17:36
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Solution

In group 2, there are 400 people, 11% of whom have sneezing and itchy eyes. Therefore, in group 2, there are (0.11)(400) people, or 44 people, who have sneezing and itchy eyes. In group 1, there are 300 people, 8% of whom have sneezing and itchy eyes. Therefore, in group 1, there are (0.08)(300) people, or 24 people, who have sneezing and itchy eyes. So the total number of people in both groups who have sneezing and itchy eyes is 24+44, or 68. Thus, the ratio of the number of people in group 2 who have sneezing and itchy eyes to the total number of people in both groups who have sneezing and itchy eyes is \(\frac{44}{68}\)

The answer is \(\frac{44}{68}\)
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Re: What is the ratio of the number of people in group 2 with th [#permalink] New post 23 Dec 2019, 07:04
Do we need to simplify the ratio?
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Re: What is the ratio of the number of people in group 2 with th [#permalink] New post 23 Dec 2019, 08:14
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No.

if you write 44/68 or 22/34 is the same. The GRE says you fraction or equivalent one.

Is the same

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Re: What is the ratio of the number of people in group 2 with th   [#permalink] 23 Dec 2019, 08:14
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