# exchange rate

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### teach-learn-practise

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2 | exchangeRate2.pdf | ||

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### NC information

R2 use scale factors, scale diagrams and maps

R5 divide a given quantity into two parts in a given part:part or part:whole ratio; express the division of a quantity into two parts as a ratio; apply ratio to real contexts and problems (such as those involving conversion, comparison, scaling, mixing, concentrations)