# ratio's

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if the ratio is 2 lots of juice to 5 lots of lemonade and she has 6 litres of juice, then she needs 5/2 lots more lemonade than juice: 5/2 x 6 (which is how much juice I have) is 15 litres of lemonade. 15 litres of lemonade + 6 litres of juice, make 21 litres of punch.

05 April 2011

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