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Back to OCR Maths Foundation June 2018 Paper 3 Home
​Q11: Answers – Paper 3 – June 2018
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Content:
  • Part A) Sharing Through a Ratio
  • Part B) Finding Unknowns in a Ratio
  • Part B) Recipe Questions​
Quizzes:
  • Part A) Sharing Through a Ratio
  • Part B) Finding Unknowns in a Ratio
  • Part B) Recipe Questions

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Working
A recipe for flapjacks uses only oats, butter and syrup, in the ratio 3 : 2 : 1.

a) Pirin makes 1.5kg of flapjacks.
He uses 600g of butter.

Has Pirin followed this recipe?
​Show how you decide.
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b) Using this recipe, 200g of syrup are needed to make 10 flapjacks.
Find the mass of oats needed to make 15 of these flapjacks.
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Question
11) A recipe for flapjacks uses only oats, butter and syrup, in the ratio 3 : 2 : 1.

a) Pirin makes 1.5kg of flapjacks.
He uses 600g of butter.

Has Pirin followed this recipe?
​Show how you decide.
[4 marks]​

b) Using this recipe, 200g of syrup are needed to make 10 flapjacks.
Find the mass of oats needed to make 15 of these flapjacks.
[3 marks]​
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