In a restaurant recently, I received the following bill:What percentage of the cost of the food and drink had been added to the bill as the service charge?
Correct answer: B. 12.5%
- A. 11.1%
- B. 12.5%
- C. 14.0%
- D. 15.0%
Explanation
To find the percentage of the service charge added to the bill, you need to divide the service charge by the total cost and multiply by 100. In this case, the service charge percentage is calculated as (service charge / total cost) * 100 = (service charge / (food cost + drink cost + service charge)) * 100. The correct answer is 12.5% as provided in option B. Options A, C, and D do not match the correct calculation.
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Scientific reasoning evaluates hypotheses through observations, variables, controls, measurements and experimental results. Questions involve identifying independent and dependent variables, recognising a fair test, interpreting tables or graphs, distinguishing evidence from opinion, and deciding whether data supports, rejects or leaves a hypothesis unresolved.
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