4:26 Grade 9 ET Assignment.docx File I. View II. Edit III. Reader Insert Review West Demerara Secondary School Department of Mathematics Easter Term 2023 Grade Nine Assignment Topic-Consumer Arithmetic Question One- 10 marks A jeweler paid $6 800 for 165 bracelets bought in China. The Customs Department in his country charged him $1 360 in duty. 1. Calculate the TOTAL cost of the 165 bracelets inclusive of duty. The jeweler sold the 165 bracelets at a selling price of $68.85 EACH. 2. Calculate the TOTAL profit he made on the sale of the 165 bracelets. 3. Calculate the profit as a percentage of the cost price, giving your answer to the nearest whole number. Question Two- 10 marks A store is promoting a new mobile phone under two plans: Plan A and Plan B. The plans are advertised as shown in the table below. Deposit Monthly instalment Number months to repay Tax on ALL payments Plan A $400 565 12 0% Plan B $600 Pen $80 60% 6 5% Calculate the TOTAL cost of a phone under Plan A. Calculate the TOTAL cost of a phone under Plan B Determine which of the two plans, A or B, is the better deal. Justify your answer. L

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