To attend a conference, each attendee booked a...

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To attend a conference, each attendee booked a reservation at a particular hotel for either a one-night or a two-night special package. How many of the attendees booked the two-night special package?

(1) At the hotel, 72 percent of the attendees booked the two-night special package.

(2) A total of 132 nights were booked at the hotel by the attendees.

The OA is C.

I don't have it clear. Can any expert explain this DS question for me, please? Thanks.
Source: — Data Sufficiency |