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x is at least 50% greater than 100, and at most
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26 Jun 2017, 07:20
26 Jun 2017, 07:20
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Question Stats:
66% (01:20) correct
33% (01:43) wrong based on 211 sessions
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x is at least 50% greater than 100, and at most 100 % greater than 100; y is between 20 % and 50% of x inclusive. Which of the following are possible values for y?
❑ 10
❑ 25
❑ 40
❑ 60
❑ 90
❑ 100
❑ 120
❑ 170
❑ 200
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Official Answer
C,D,E,F
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: x is at least 50% greater than 100, and at most
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27 Jun 2017, 13:23
27 Jun 2017, 13:23
2
Carcass wrote:
x is at least 50% greater than 100, and at most 100 % greater than 100; y is between 20 % and 50% of x inclusive. Which of the following are possible values for y?
❑ 10
❑ 25
❑ 40
❑ 60
❑ 90
❑ 100
❑ 120
❑ 170
❑ 200
Show: :: OA
C,D,E,F
x is at least 50% greater than 100, and at most 100 % greater than 100
In other words: (50% greater than 100) ≤ x ≤ (100% greater than 100)
Evaluate: 150 ≤ x ≤ 200
y is between 20% and 50% of x inclusive
In other words: (20% of x) ≤ y ≤ (50% of x)
IMPORTANT: The smallest value of y will be when x is the smallest.
Since 150 is the smallest possible value of x, the smallest possible value of y = 20% of 150 = 30
IMPORTANT: The biggest value of y will be when x is the biggest.
Since 200 is the biggest possible value of x, the biggest possible value of y = 50% of 200 = 100
So, 30 ≤ y ≤ 100
Which of the following are possible values for y?
30 ≤ y ≤ 100
Answer:
Show: ::
40, 60, 90, 100 (C, D, E, F)
Cheers,
Brent
Re: x is at least 50% greater than 100, and at most
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08 Jan 2019, 04:15
08 Jan 2019, 04:15
thanks it is a good question
