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Q21: Paper 3 – June 2023
Q21: Paper 3 – June 2023
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Question
21)
Jonny wants to know how much coffee he will need for 800 people at a meeting.
Each person who drinks coffee will drink 2 cups of coffee.
10.6 g of coffee is needed for each cup of coffee.
Jonny assumes 68% of the people will drink coffee.
(a) Using this assumption, work out the amount of coffee Jonny needs.
Give your answer correct to the nearest gram.
Jonny wants to know how much coffee he will need for 800 people at a meeting.
Each person who drinks coffee will drink 2 cups of coffee.
10.6 g of coffee is needed for each cup of coffee.
Jonny assumes 68% of the people will drink coffee.
(a) Using this assumption, work out the amount of coffee Jonny needs.
Give your answer correct to the nearest gram.
[4 marks]
Jonny’s assumption is wrong.
72% of the people will drink coffee.
(b) How does this affect your answer to part (a)?
[1 mark]
Mark Scheme
Working
Working
Jonny wants to know how much coffee he will need for 800 people at a meeting.
Each person who drinks coffee will drink 2 cups of coffee.
10.6 g of coffee is needed for each cup of coffee.
Jonny assumes 68% of the people will drink coffee.
(a) Using this assumption, work out the amount of coffee Jonny needs.
Give your answer correct to the nearest gram.
Jonny wants to know how much coffee he will need for 800 people at a meeting.
Each person who drinks coffee will drink 2 cups of coffee.
10.6 g of coffee is needed for each cup of coffee.
Jonny assumes 68% of the people will drink coffee.
(a) Using this assumption, work out the amount of coffee Jonny needs.
Give your answer correct to the nearest gram.
There is no working for part b!