Foundation January 2022 Paper 2 Q15
15 Here is a list of the ingredients needed to make 12 chocolate brownies.
| Chocolate brownies Ingredients for 12 brownies |
|---|
| 150 g flour 250 g chocolate spread 3 eggs |
Thalia buys exactly enough of these ingredients to make 120 of these brownies.
1.5 kg of flour costs £1.30
500 g of chocolate spread costs £2.60
6 eggs cost £1.10
Thalia sells all 120 brownies at £0.40 each.
Work out the profit that she makes.
(5)
| Scheme | Marks |
|---|---|
one of: Flour - \(\dfrac{150 \times 10}{1500} \times 1.30 \,(= 1.30)\) Choc spread - \(\dfrac{10 \times 250}{500} \times 2.60 \,(= 13)\) Eggs - \(\dfrac{3 \times 10}{6} \times 1.10 \,(= 5.50)\) or one of Flour - \(\dfrac{150}{1500} \times 1.30 \,(= 0.13)\) Choc spread \(\dfrac{250}{500} \times 2.60 \,(= 1.30)\) Eggs \(\dfrac{3}{6} \times 1.10 \,(= 0.55)\) | M1 |
at least two of: Flour - \(\dfrac{150 \times 10}{1500} \times 1.30 \,(= 1.30)\) Choc spread - \(\dfrac{10 \times 250}{500} \times 2.60 \,(= 13)\) Eggs - \(\dfrac{3 \times 10}{6} \times 1.10 \,(= 5.50)\) or at least two of Flour - \(\dfrac{150}{1500} \times 1.30 \,(= 0.13)\) Choc spread \(\dfrac{250}{500} \times 2.60 \,(= 1.30)\) Eggs \(\dfrac{3}{6} \times 1.10 \,(= 0.55)\) | M1 |
| 120 × 0.4 (= 48) oe or 12 × 0.4 (= 4.80) | M1 |
| (profit =) “48” – “1.30” – “13” – “5.50” or “48” – “19.80” or (profit =) 10(“4.80” – “0.13” – “1.30” – “0.55”) or 10(“4.80” – 1.98) | M1 |
| 28.2(0) | A1 |
| (5) | |
| (5 marks) |
Notes
M1: No need for labels
M1: No need for labels
M1: indep
M1: complete method to calculate profit by subtracting 3 amounts, all of which must be correct or from correct working