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Date November 2019 Marks available 3 Reference code 19N.1.SL.TZ0.T_10
Level Standard Level Paper Paper 1 Time zone Time zone 0
Command term Calculate Question number T_10 Adapted from N/A

Question

In this question, give your answers to the nearest whole number.


Criselda travelled to Kota Kinabalu in Malaysia. At the airport, she saw the following information at the Currency Exchange counter.

This means the Currency Exchange counter would buy USD from a traveller and in exchange return MYR at a rate of 1 USD=4.25 MYR. There is no commission charged.

Criselda changed 460 SGD to MYR.

Calculate the amount of MYR that Criselda received.

[3]
a.

While in Kota Kinabalu, Criselda spent 440 MYR. She returned to the Currency Exchange counter and changed the remainder of her MYR into USD.

Calculate the amount of USD she received.

[3]
b.

Markscheme

460×3.07      (A1)(M1)

Note: Award (A1) for selecting 3.07 as the exchange rate, (M1) for multiplying 460 by an exchange rate from the table.

1412 MYR       (A1)  (C3)

Note: Do not award the final (A1) if the answer is to the wrong level of accuracy.

[3 marks]

a.

1412-4404.45      (M1)(M1)

Note: Award (M1) for their correct subtraction or for 972 972.2 or their correct difference seen. Award (M1) for dividing by 4.45. Follow through from part (a).

218 USD       (A1)(ft)  (C3)

Note: Do not award the final (A1) if the answer is to the wrong level of accuracy.

[3 marks]

b.

Examiners report

[N/A]
a.
[N/A]
b.

Syllabus sections

Topic 2—Functions » SL 2.2—Functions, notation domain, range and inverse as reflection
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