An ancient coin is made up of gold and silver in the ratio 1:3.
The coin weighs 21.65 grams.
How many grams of silver are in the ancient coin?
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Number, NAP-K4-NC08 SA
The colour cerise is made by mixing red, green and blue paint in the ratio
What is the volume, in litres, of green paint required if 6 litres of cerise paint is made?
Write your answer as a decimal.
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Number, NAP-J4-NC04
In a science experiment, Albert needs to add 60 millilitres of acid to every 2 litres of water.
If Albert only has 0.5 litres of water left, how many millilitres of acid should he add?
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Number, NAP-D4-CA30 SA
Michelle makes 7.0 litres of a healthy shake to sell at her cafe.
The table below shows the mixture of ingredients that go into the shake.
How many litres of milk does Michelle need?
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Number, NAP-E4-NC14
Tony is making a fruit cake.
The recipe says he needs 3 cups of sultanas for every 5 cups of flour.
If 2.5 cups of flour are used, how many cups of sultanas are needed?
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Number, NAP-G4-CA09
The colour orange can be made by mixing 5 litres of yellow paint with 8 litres of red paint.
If 140 litres of yellow paint are used in this mixture, how much red paint is needed?
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Number, NAP-I4-CA13
A christmas pudding recipe uses 3 cups of sugar for every 4 cups of sultanas.
Select the correct combination of sugar and sultanas for this recipe.
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