Foundation November 2018 Paper 1 Q18
18 Food Mart and Jan’s Store sell boxes of the same type of breakfast cereal.
Each shop has a special offer.

Which box of cereal is the better value for money?
You must show your working. (4)
| Answer | Mark | Mark scheme |
|---|---|---|
| Jan’s store (supported) | P1 | process to reduce £5 by 20% (= £4) or increase 400 by 30% (= 520) |
| P1 | process to reduce £5 by 20% (= £4) and increase 400 by 30% (= 520) | |
| P1 | (dep P2) process to find comparable values, eg \(400 \div \text{``}4\text{''}\) and \(\text{``}520\text{''} \div 5\) | |
| C1 | ‘Jan’s store’ fully supported by correct comparative values, eg 100 (g/£) and 104 (g/£) |
Additional guidance
May work in pence throughout
Accept any correct appropriate percentage process
May use £/g or any other comparable values
Do not award without correct comparable values and full working.