The total cost of an office dinner was shared equally by

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The total cost of an office dinner was shared equally by \(k\) of the n employees who attended the dinner. What was the total cost of the dinner?

1) Each of the \(k\) employees who shared the cost of the dinner paid $19.
2) If the total cost of the dinner had been shared equally by \(k +1\) of the n employees who attended the dinner, each of the \(k +1\) employees would have paid $18.

The OA is C

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Source: — Data Sufficiency |