If the exchange rate was as follows:
1(AUD)=R8.40 1GBP=R15.20
Calculate how much they had in total when they go to London
To calculate the total amount they had when they went to London, we need to know the amount of money in AUD that they had. Let's assume they had X AUD.
First, we need to convert the AUD to GBP using the given exchange rate of 1 AUD = 8.40 ZAR:
Amount in GBP = X AUD * (1 GBP / 8.40 ZAR)
Next, we convert the amount in GBP to ZAR using the given exchange rate of 1 GBP = 15.20 ZAR:
Amount in ZAR = Amount in GBP * 15.20 ZAR
So, the total amount they had in ZAR when they went to London can be calculated using the above formula.