FDPR Mixed Context: WJEC GCSE Numeracy Foundation November 2017 Unit 1 Q7

Numeracy Foundation November 2017 Unit 1 Q7

WJECFoundationCurrent spec5 marksFDPR Mixed Context

7. Four different supermarkets have special offers on the price of lemons.

Supermarket	Special offer
Cost 4go	Lemons: usually 40p each Now on offer! Buy 3 for the price of 2
Edges Mart	A net of 4 lemons for 75p
Food Uno	A bag of 5 lemons for 76p
Greenway	Lemons: only 26p each

Aled needs 6 lemons to make lemon cakes for a birthday party.

Aled only has time to go to one supermarket.

Calculate how much Aled would pay in each of the supermarkets.
In which supermarket will he be able to get the lemons he needs for the least amount of money?
You must show all your working. [5]

Mark scheme

Scheme

Marks

Comments

Supermarket	Cost of 6 lemons
Cost 4go	(Can buy exactly 6 lemons Twice 3 for 2, 2×2×40p) (£)1.6(0) or 160(p)
Edges Mart	(Has to buy 8 lemons 2 nets of 4 lemons) (£)1.5(0) or 150(p)
Food Uno	(Has to buy 10 lemons 2 bags of 5 lemons) (£)1.52 or 152(p)
Greenway	(Can buy exactly 6 lemons 6 × 26p) (£)1.56 or 156(p)

Penalise incorrect units -1 once only
B1 for each supermarket

Conclusion to buy at Edges Mart

Accept ‘(£)1.5(0) or 150(p)’ as indication of Edges Mart
Depends on at least B2 previously awarded, then FT ‘their cheapest cost’ provided it is based on at least 3 costs calculated