Foundation November 2023 Paper 2 Q18
18 A box contains only red, green and black pens.
The ratio of red pens to green pens to black pens is 1 : 4 : 11.
(a) Work out the percentage of the pens that are green. [2]
(b) There are 24 more green pens than red pens.
Work out the total number of pens in the box. [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 25[%] | 2 | M1 for \(\frac{4}{1 + 4 + 11}\) [\(\times 100\)] oe | |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 128 | 4 | M1 for \(24 \div (4 - 1)\) oe and M2 for \(8 \times (1 + 4 + 11)\) oe or for 8, 32 and 88 or M1 for their 8 \(\times (1 + 4 + 11)\) oe or their 8, \(4 \times\) their 8 and \(11 \times\) their 8 evaluated | Implied by 8 [red] their 8 must be an integer and if 6 or 24 implied by 96 or 384 |