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A 5-hour conference booking is required for an office party for 120 people, which includes a buffet dinner. Hotel Five has recently increased the total charges by 10%. How much does the booking now cost from Hotel Five?

a) Cost remains the same.
b) 10% increase in the original cost.
c) 15% increase in the original cost.
d) 20% increase in the original cost.

1 Answer

6 votes

Final answer:

The new cost of the conference booking at Hotel Five is a 10% increase over the original cost. If the original cost was C, the new cost is 1.10 x C, reflecting the 10% increase.

Step-by-step explanation:

The student's question involves calculating a percentage increase in cost. We are told that Hotel Five has increased the total charges for a 5-hour conference booking, which includes a buffet dinner for 120 people, by 10%. If we designate C as the original cost of booking the hotel, then the new cost (N) will be C plus the 10% increase of C, which is calculated as:

N = C + (10% of C)

N = C + (0.10 × C)

N = C (1 + 0.10)

N = 1.10 × C

The correct answer is that the booking now costs 10% more than the original cost.

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