Foundation November 2022 Paper 1 Q7
7. Tomas owns a take-away food shop.
(a)
Here is part of the menu.
| One chicken piece | £2.00 |
| Two chicken pieces | £3.20 |
| Three chicken pieces | £4.20 |
Jean orders 4 chicken pieces.
Tomas charges Jean £6.40.
(i) Show how Tomas has worked out the cost of Jean’s 4 chicken pieces. [1]
(ii)
Jean says,
“You have charged me 20p too much.”
Show how Jean may be correct. [1]
(b)
Tomas orders some food trays.
The table shows his options.
| Number of Trays | Cost |
|---|---|
| 25 | £5 |
| 50 | £9 |
| 100 | £17 |
| 250 | £33 |
| 1000 | £99 |
Tomas spends exactly £83 on trays.
He orders as many trays as possible.
How many trays does Tomas order? [2]
| Scheme | Marks | Comments |
|---|---|---|
| (i) Valid explanation e.g. ‘He worked out \(2 \times\) (£)3.20’ oe | E1 | Accept e.g. ‘He doubled the cost of 2 chicken pieces’ Do not accept e.g. ‘\(2 \times 2\)’ only |
| (ii) Valid explanation e.g. ‘(If charged for) one chicken piece and three chicken pieces (it would cost £6.20)’ | E1 | Accept 4.20 + 2(.00) = 6.20 oe Do not allow ‘(£)6.20’ only. |
| Scheme | Marks | Comments |
|---|---|---|
| 600 (trays) | B2 | B1 for any one of the following:
|
| (4) |