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The ratio between x and y is 7/9; x and y are increased by 4, what is

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Carcass
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The ratio between x and y is 7/9; x and y are increased by 4, what is [#permalink] New post   03 Feb 2021, 06:25
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The ratio between x and y is 7/9; x and y are increased by 4, what is the ratio between the new values of x and y?

A) 7/9
B) 14/9
C) 7/18
D) 11/13
E) It Cannot Be Determined

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Re: The ratio between x and y is 7/9; x and y are increased by 4, what is [#permalink] New post   03 Feb 2021, 07:01
Carcass wrote:
The ratio between x and y is 7/9; x and y are increased by 4, what is the ratio between the new values of x and y?

A) 7/9
B) 14/9
C) 7/18
D) 11/13
E) It Cannot Be Determined

Kudos for the right answer and explanation


Let's test some possible values of x and y...

Given: The ratio of x to y is \(\frac{7}{9}\)

Case i: It could be the case that \(x = 7\) and \(y = 9\)
When we increase both values by \(4\), we get: \(\frac{7+4}{9+4}=\frac{11}{13}\)

Case ii: It could also be the case that \(x = 14\) and \(y = 18\)
When we increase both values by \(4\), we get: \(\frac{14+4}{18+4}=\frac{18}{22}=\frac{9}{11}\)

Answer: E
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Re: The ratio between x and y is 7/9; x and y are increased by 4, what is [#permalink] New post   12 Aug 2024, 09:36
Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: The ratio between x and y is 7/9; x and y are increased by 4, what is [#permalink]
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