Question 1 — IGCSE 0580 May/June 2023 Paper 43
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Numbers · Ratio and proportion. Worth 11 marks.
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Question text
1 (a) Tomas sells a computer, a bike and a phone.
The amounts he receives are in the ratio computer : bike : phone = 14 : 17 : 9.
(i) Calculate the amount he receives for the phone as a percentage of the total.
............................................. % [2]
(ii) The total amount he receives is $560.
Calculate how much he receives for the bike.
$ ................................................ [2]
(iii) Tomas originally bought the bike for $195.
He wanted to make a profit of at least 25% when he sold it.
Does Tomas make a profit of at least 25%?
You must show all your working to support your decision.
[3]
(b) Ulla invests $725 for 6 years in an account paying simple interest at a rate of 1.3% per year.
Calculate the total interest earned at the end of 6 years.
$ ................................................ [2]
© UCLES 2023 0580/43/M/J/23
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(c) In a sale, all prices are reduced by 24%.
Victor pays $36.86 for a pair of shoes in the sale.
Calculate the original price of the shoes.
$ ................................................ [2]
© UCLES 2023 0580/43/M/J/23 [Turn over
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