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20 Oct 2023, 06:48
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Number of dinners needed: 1000
Number of rooms reserved: 750
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
72% (02:05) correct
28%
(02:25)
wrong
based on 1086
sessions
History
Date
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Not Attempted Yet
Registrants for a conference were asked to choose a room for single or double occupancy and to reserve seating for lunches only or for lunches and dinners. A total of 1,250 people registered for the conference, and 250 of those requested single-occupancy rooms. Two hundred people reserved lunch-only seating, and 50 declined all meal service. Find the number of dinners that will be needed and the total number of rooms reserved.
| Number of dinners needed | Number of rooms reserved | |
| 250 | ||
| 500 | ||
| 750 | ||
| 1000 | ||
| 1250 | ||
| 1500 |
ShowHide Answer
Official Answer
Number of dinners needed: 1000
Number of rooms reserved: 750
10 Jun 2024, 11:07
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Feels like this question can be open to interpretation based on language, which is usually not the case on the exam. What if I requested a double occupancy room but stayed alone in it? The question should have said what is the "minimum" number of rooms reserved, to leave no room for interpretation.
General Discussion
23 Oct 2023, 10:46
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Official Explanation
The conference organizers need 250 single rooms, and the remaining 1,000 people can be housed in 500 double rooms, so a total of 750 rooms will be needed. For meals, 50 of the 1,250 attendees declined all meals, and 200 more chose only lunches, so 1,250 – 50 – 200 = 1,000 people reserved dinner seating.
The conference organizers need 250 single rooms, and the remaining 1,000 people can be housed in 500 double rooms, so a total of 750 rooms will be needed. For meals, 50 of the 1,250 attendees declined all meals, and 200 more chose only lunches, so 1,250 – 50 – 200 = 1,000 people reserved dinner seating.
