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Out of every 500 picture frames shipped, there are always ex
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29 Jul 2020, 10:33
29 Jul 2020, 10:33
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Question Stats:
42% (01:00) correct
57% (01:15) wrong based on 66 sessions
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Out of every 500 picture frames shipped, there are always exactly 20 damaged frames. Which of the following could be the number of damaged and undamaged frames, respectively, within a given shipment?
Indicate all such numbers.
A. 5 and 100
B. 5 and 120
C. 10 and 250
D. 20 and 480
E. 40 and 800
Kudos for the right answer and explanation
Indicate all such numbers.
A. 5 and 100
B. 5 and 120
C. 10 and 250
D. 20 and 480
E. 40 and 800
Kudos for the right answer and explanation
Re: Out of every 500 picture frames shipped, there are always ex
[#permalink]
29 Jul 2020, 10:48
29 Jul 2020, 10:48
3
Out of 500 picture frames shipped, there are always exactly 20 damaged frames
=> 500 - 20 = 480 are undamaged.
=> damaged to undamaged ratio = 20/480 = 5/120 = 1/24
So, the answers are B,D.
=> 500 - 20 = 480 are undamaged.
=> damaged to undamaged ratio = 20/480 = 5/120 = 1/24
So, the answers are B,D.
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Re: Out of every 500 picture frames shipped, there are always ex
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03 Aug 2020, 06:13
03 Aug 2020, 06:13
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Carcass wrote:
Out of every 500 picture frames shipped, there are always exactly 20 damaged frames. Which of the following could be the number of damaged and undamaged frames, respectively, within a given shipment?
Indicate all such numbers.
A. 5 and 100
B. 5 and 120
C. 10 and 250
D. 20 and 480
E. 40 and 800
Kudos for the right answer and explanation
Indicate all such numbers.
A. 5 and 100
B. 5 and 120
C. 10 and 250
D. 20 and 480
E. 40 and 800
Kudos for the right answer and explanation
Out of every 500 picture frames shipped, there are always exactly 20 damaged frames.
500 - 20 = 480
So, there are 20 damaged frames for every 480 undamaged frames
In other words, the ratio damaged frames/undamaged frames = 20/480 = 1/24
So any answer choice that yields the ratio 1/24 will be correct
A. 5/100 = 1/20 NO GOOD
B. 5/120 = 1/24 WORKS
C. 10/250 = 1/25 NO GOOD
D. 20/480 = 1/24 WORKS
E. 40/800 = 1/20 NO GOOD
Answer: B, D
Cheers,
Brent
