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2022 AMKSS EOY P2 Q7

2022 AMKSS EOY P2 Q7

6 marks

  1. Mavis travels from Singapore to Thailand. She exchanges \(750\) Singapore Dollars (S\(\$\)) to Thai Baht (THB) when the exchange rate is S\(\$1 = 26\) THB. While in Thailand, she spends \(14 \ 200\) THB. On her return, she exchanges the remaining Thai Baht into Singapore Dollars when the exchange rate is S\(\$1 = 26.5\) THB.

    1. How much does she receive in Thai Baht?

      [1]

    2. Find the amount of Singapore Dollars she receives.

      [2]

  2. Every year, the value of a car depreciates by \(15\%\) of its value in the previous year. If the car was \( \$93 \ 925\) in \(2022\), find its value in \(2020\)

    [3]

Solution:

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Answer:(a)(i) \(19 \ 500\) THB (a)(ii) S\(\$ 200\) (b) \( \$130 \ 000\)

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