Foundation November 2024 Paper 1 Q15
15 35 books are either for adults or for children.
| number for adults : number for children = 6 : 1 |
How many more books are for adults than for children? [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| Alternative method 1 – Finding the value of one part first | ||
| \(35 \div (6 + 1)\) or 5 | M1 | oe |
| \(6 \times\) their 5 or 30 or \((6 - 1) \times\) their 5 | M1dep | oe |
| 25 | A1 | |
| Alternative method 2 – Finding the difference in the number of parts first | ||
| \(6 - 1\) or 5 | M1 | oe |
| \(\dfrac{\text{their } 5}{6 + 1} \times 35\) or \(\dfrac{5}{7} \times 35\) | M1dep | oe |
| 25 | A1 | |
Additional guidance
Allow a maximum of one error overall in build-up methods