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05-02-2018
Mathematics

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Mrs Perry shares out 18 biscuits between Gemma and Zak in the ratio 1 : 2How many biscuits does each child get?

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gustanika gustanika

05-02-2018

The ratio of biscuit
g : z = 1 : 2
the sum of the ratio is 1 + 2 = 3

Calculate Gemma's biscuit
g = 1/3 × 18
g = 18/3
g = 6

Calculate Zak's biscuit
z = 2/3 × 18
z = 36/3
z = 12

Gemma gets 6 biscuits, Zak gets 12 biscuit

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