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abbylebus Maths English 1 page

Content of the notes (1)

Calculating with Ratio

When solvin ratio problems, remember to reduce one of the ratios to one.

Example

1) This is a recipe for 8 biscuits:

80g of Butter

100g of sugar

2 eggs

120g of flour

How much flour is needed for 12 biscuits?

8 biscuits need 120g flour

1 biscuit needs 120g/8=15g

12 biscuits need 12 x 15g = 180g

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