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x, y, z are three positive non-zero integers such that:

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x, y, z are three positive non-zero integers such that:  [#permalink] New post 19 Mar 2007, 13:50
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x, y, z are three positive non-zero integers such that:
3x=4y=7z. What is the least possible sum of x+y+z

1. 41
2. 61
3. 84
4. 92
5. 104
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 [#permalink] New post 19 Mar 2007, 13:54
Is it 2) 61

this is what I did LCM of 3,4,7 is 84

therefore

X has to be 4*7 = 28
Y has to be 3*7 = 21
Z has to be 3*4 = 12

adding X+Y+Z = 61
  [#permalink] 19 Mar 2007, 13:54
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x, y, z are three positive non-zero integers such that:

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