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How to solve this with plugging in numbers

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Source: — Data Sufficiency |
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by ri2007 » Sat Dec 01, 2007 7:16 pm
my ans is E, pls confirm

here is the soln

1/a + 1/b + 1/c =

bc+ ac+ab / abc

since u know the value of abc but cannot find the value of the numerator ans is E
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by syv11 » Sat Dec 01, 2007 8:27 pm
Correct!
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