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GMAT Problem Solving (PS) | Re: Johnson has a corporate proposal. The probability that vice

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ronr34 wrote:

Hi Mike,
I'm having a little problem with the terminology.
When written " ..of at least one of the other VPs" this, for me, means that we need one more or both of them, but the answers show that you take into account just one more and deduct the option of getting both of their approvals.
Why is that?

Dear Ron,
With all due respect, my friend, are you sure you are reading this correctly? In the OE on the original blog page, for that problem I subtract the case of (not A and not B) ---
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