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Question Stats:
72% (00:30) correct
27% (00:25) wrong based on 140 sessions
32=k 31=k+1
Quantity A 
Quantity B 
k 
32 
A) Quantity A is greater. B) Quantity B is greater. C) The two quantities are equal. D) The relationship cannot be determined from the information given.
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k = 32 means that K = 32 or k = 32. k+1=31 means that k+1=31 > k=30 or k1=31 > k=32. The two equations are simultaneously satisfied when k = 32. Thus, since 32 > 32, the answer is B.



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Given that, k = 32 So, either k = +32 or k = 32 BUT, Also given that: k+1 = 31 So, k cannot be 32, because otherwise, k+1 would become 33, which is not the case. Thus, k = 32 So, Choice B correct.
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I am a bit confused.
For k+1 = 31 doesn't this mean: k can equal 30 or k can equal 32?



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Answer: B 32 = k k = 32 or k = +32 31 = k +1 if k = 32 then k+1 equals 33 and if k = 32 k+1 equals 31. So K is 32. B is bigger than A.
I think this question shouldn't be considered as hard!
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The Question is structured incorrectly, there is no indication that the question is asking to solve for k, both equations are given independently. To correctly frame the question it should read as K=31 & K+1=31.... with linking & sign, without an & sign clearing the set of values K could be the answer should be "D", because K can be {31,32,32}.



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pinenuts000 wrote: I am a bit confused.
For k+1 = 31 doesn't this mean: k can equal 30 or k can equal 32? Whenever you see a number inside , you are looking for the number's absolute value which is basically the number's positive value. For example, in X = 1, x would be 1 since we want the absolute value of 1 which is 1. in Y = 610, y would be 4 because 610 is 4 and the absolute value of 4 is 4. For this question 32 =k, k could be either 32 or 32. for 31 to be equal k+1, k has to be 32 because 32+1 is 31 and the absolute value of 31 is 31. Remember, you can have a negative number inside  (ex 10. but once you pull out the number, THE NUMBER WILL ALWAYS BE POSITIVE. Hope it helps.



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pinenuts000 wrote: I am a bit confused.
For k+1 = 31 doesn't this mean: k can equal 30 or k can equal 32? Note that two equations given: 1) k = 32 From this you can say, either k = +32 or k = 32 2) k+1 = 31 From this, you can say, either k = 30 or k =  32 Note that k = 32 is unanimously extracted from both of the equations given, Thus, k = 32 So, Choice B correct.
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