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The ratio of the number of males to the number of females in
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30 Oct 2018, 05:39
30 Oct 2018, 05:39
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The ratio of the number of males to the number of females in mathematics class is 4 to 5. The corresponding ratio in an English class is 5 to 4. There are 50 percent more males in the English class than there are in the mathematics class. What is the ratio of the number of females in the mathematics class to the number of females in the English class?
(a) 2 to 3
(b) 24 to 25
(c) 1 to 1
(d) 25 to 24
(e) 3 to 2
Thank you.
(a) 2 to 3
(b) 24 to 25
(c) 1 to 1
(d) 25 to 24
(e) 3 to 2
Thank you.
Re: The ratio of the number of males to the number of females in
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30 Oct 2018, 18:59
30 Oct 2018, 18:59
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Expert Reply
RERJJ wrote:
The ratio of the number of males to the number of females in mathematics class is 4 to 5. The corresponding ratio in an English class is 5 to 4. There are 50 percent more males in the English class than there are in the mathematics class. What is the ratio of the number of females in the mathematics class to the number of females in the English class?
(a) 2 to 3
(b) 24 to 25
(c) 1 to 1
(d) 25 to 24
(e) 3 to 2
Thank you.
(a) 2 to 3
(b) 24 to 25
(c) 1 to 1
(d) 25 to 24
(e) 3 to 2
Thank you.
Let the m:f in mathematics class be 4x:5x and that in English class be 5y:4y
Given that \(\frac{5y-4x}{4x}=0.5.....5y-4x=2x.....5y=6x....y=6x/5\)
Ratio of f in mathematics to English is 5x:4y or 5x:4*6x/5=25x:24x=25:24
D
Hope it helps
Pl follow rules for posting a question
Re: The ratio of the number of males to the number of females in
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18 Oct 2023, 07:18
18 Oct 2023, 07:18
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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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