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Is x an integer? 1. 2x/3 is an integer 2. x-4 is an integer

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Senior Manager
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Is x an integer? 1. 2x/3 is an integer 2. x-4 is an integer [#permalink] New post 08 Apr 2004, 01:50
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Is x an integer?

1. 2x/3 is an integer
2. x-4 is an integer
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 [#permalink] New post 22 May 2004, 04:01
can anyone explain please? i simply cant move such threads into the categories.. help me :(
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 [#permalink] New post 22 May 2004, 14:43
a) 2x/3 is integer if x = 4.5 then 2x/3 = 3 but x is not an integer
if x = 3 then 2x/3 = 6

b) Any interger subtracted from another integer should yield integer
So B is sufficient.
  [#permalink] 22 May 2004, 14:43
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Is x an integer? 1. 2x/3 is an integer 2. x-4 is an integer

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