Foundation June 2023 Paper 1 Q12
12. David is shopping in a supermarket.
(a)
David sees this information label on the shelf.
| Flapjacks | 250 grams |
| Our Price | £1 |
| £4.00 per 100 grams | |
He tells the supermarket manager that this information is wrong.
Explain why David is correct. [1]
(b)
David decides to buy some ginger biscuits.
Here are his options.
| Ginger Biscuits | 50 biscuits |
| Our Price | £1.50 |
| Ginger Biscuits | 30 biscuits |
| Our Price | £0.96 |
David wants to buy the packet which is better value for money.
Which packet of biscuits should David buy?
50 biscuits ☐ 30 biscuits ☐
Show how you decide. [3]
| Scheme | Marks | Comments |
|---|---|---|
Valid explanation with comparison or correct use of more/less e.g.
| E1 | If calculations are given, they must be correct. Allow ‘The price per 100g is far too high.’ Do not allow ‘It says 250g for £1 so it can’t be 100g for £4’. |
| Scheme | Marks | Comments |
|---|---|---|
Method to find both unit costs e.g.
| M2 | Calculations may be in pounds or pence. Accept alternative convincing methods e.g. 50 ÷ 150 and 30 ÷ 96 (biscuits per penny) M1 for attempting to find the cost of a common factor/multiple of biscuits for either pack e.g.
|
Correct unit costs e.g.
| A1 | Allow for e.g. 3 (p per biscuit) and 3 r 6 (p per biscuit) AND 50 biscuits indicated. If units are given, they must be correct. |
| (4) |