If Dave needs 80 kg of concrete, how much of each substance does he need?
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If I picked some strawberries after a few wet days.
Some were nibbled by snails,
some were mouldy and some fine.
The ratio was 2:3:10 respectively.
If 9 strawberries were mouldy how many:
What fraction of the total amount were fine?
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Salt & Vinegar, Cheese & Onion
and Prawn Cocktail flavour crisps were sold in the school tuck shop
in the ratio 5:3:2
If 18 bags of Prawn Cocktail were sold,
how many bags: