Options:
A.
B.
C.
D.
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Earlier discussion
2 older comments kept for context.
Akomolafe Temitope
For starter = ₦12.50
For main courses = ₦28.55
For deserts = ₦8.95
Service charges = 15%
First, add all bills excluding services charges.
12.50 + 28.55 + 8.95 = 50
Now, apply service charges percentage to the bill = 15% of 50
(15 x 50) ÷ 100 = 7.5
Add service charges to the bill = 50 + 7.5 = 57.5
The total bill including service charges is ₦57.5.
Victor Titus
The explanation you provided is correct if the service charge is 15% of the total cost of the starters, main courses, and desserts. However, in the original question, the service charge was stated as a fixed amount of ₦17.50, not a percentage of the total bill.
If the service charge was indeed intended to be 15% of the total bill (excluding the service charge), then your calculation is correct:
- Calculate the total cost of the starters, main courses, and desserts: ₦12.50 + ₦28.55 + ₦8.95 = ₦50.00
- Calculate 15% of this total: (15/100) * ₦50.00 = ₦7.50
- Add this service charge to the total from step 1: ₦50.00 + ₦7.50 = ₦57.50
So, if the service charge is 15% of the total bill (excluding the service charge), then the total bill including the service charge is indeed ₦57.50. This would make Option B: ₦57.50 the correct answer.
There is a typographical error in the question. The answer should be ₦67.50.