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Problem Involving Service Charge and GST

Problem Involving Service Charge and GST

Secondary 1

Ken and three classmates went for an ice cream buffet in a restaurant on a Saturday.

Each person has to pay \(\$19.50\) before the service charge of \(10\%\) and Goods and Services Tax (GST) of \(7\%\).

  1. Calculate the amount of service charge each person paid.
  2. Calculate the amount of GST each person paid.
  3. Hence, find the total bill of the ice cream buffet.
  4. If Ken paid for the total bill using a \(\$100\) note, how much change should he received?

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Answer:(a) \(\$1.95\), (b) \(\$1.50\) (to 2 d.p.), (c) \(\$91.81\) or \(\$91.80\), (d) \(\$8.19\) or \(\$8.20\)

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