year 8 maths

Chapter review
271
Extended-response question
The following table shows the value of A $1 (one Australian dollar) in foreign currency.
Indian rupee (INR) 42
Singapore dollar (SGD) 1.25
Thai baht (THB) 30
Hong Kong dollar (HKD) 7
Genevieve is planning an extended holiday to Asia, where she plans to visit India, Singapore, Phuket and
Hong Kong.
a She has decided to convert some Australian dollars to each of the currencies above before she flies out.
How much of each currency will Genevieve receive if she converts A $500 to each currency?
b During the exchange Genevieve must pay a fee of 1.5% for each transaction. How much does she pay
in fees (in A$)?
c i The day after she leaves, the exchange rate for Indian rupees is A $1 = 43.6 INR. How much more
would Genevieve have received if she had waited until arriving in India to convert her Australian
dollars? (Ignore transaction fees.)
ii Express this as a percentage (to one decimal place).
d i On her return to Australia, Genevieve has in her wallet 1000 INR, 70 SGD and 500 THB.
Using the same exchange rate, how much is this in A$?
ii Genevieve must also pay the 1.5% transaction fee. How much does she receive in A$, and is it
enough to buy a new perfume at the airport for $96 ?
Cambridge Maths NSW
Stage 4 Year 8 Second edition
ISBN 978-1-108-46627-1 © Palmer et al. 2018
Cambridge University Press
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