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Exchange Rates
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Calculating with Ratio
When solving ratio problems remember to reduce one of the ratios to one.
Example:
1) At a bank, Rashna changes £80 into $156.80.
How many dollars would Rashna get fro changing £230?
£80 is $156.80
£1 is $156.80/80
=$1.96
£230 is 230 x $1.96
=$450.80
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- Maths Apunte sobre Exchange Rates, creado por 11dphillips el 13/05/2013.
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- 11dphillips
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- Creado por abbylebus · 13 may 2013
- Copiado por 11dphillips · 13 may 2013
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