Ratio & Basic Proportion: WJEC GCSE Intermediate November 2022 Unit 1 Q9

Intermediate November 2022 Unit 1 Q9

WJECIntermediateCurrent spec5 marksRatio & Basic Proportion

9. In this question, you will be assessed on the quality of your organisation, communication and accuracy in writing.

A sum of money is shared in the ratio 1 : 8.
The larger share is £16.80.
What is the total amount of money shared?
You must show all your working. [3 + 2 OCW]

Mark scheme

Scheme	Marks	Comments
(1 share = ) (£)16.8(0) ÷ 8 or equivalent	M1	Allow answers in pounds or pence.
(1 share = ) (£)2.1(0) or equivalent	A1	Award M1 A1 for sight of (£)2.1(0) : (£)16.8(0).
(Total = ) (£)18.9(0) or equivalent	A1	If M1 A0, then FT ‘their (£)2.1(0)’ × 9 OR ‘their (£)2.1(0)’ + (£)16.8(0) If units given, then they must be correct e.g. award A1 for 1890 or 1890p but A0 for £1890.
Organisation and Communication.	OC1	For OC1, candidates will be expected to: present their response in a structured way explain to the reader what they are doing at each step of their response lay out their explanation and working in a way that is clear and logical write a conclusion that draws together their results and explains what their answer means
Accuracy of writing.	W1	For W1, candidates will be expected to: show all their working make few, if any, errors in spelling, punctuation and grammar use correct mathematical form in their working use appropriate terminology, units, etc

Alternative method

Scheme	Marks	Comments
9. Alternative method: (Total = ) (£)16.8(0) ÷ 8 × 9 or equivalent	M2	Award M2 for complete method.
(Total = ) (£)18.9(0)	A1

The alternative method is printed in italics in the original. The OC1 and W1 rows apply to either method.