Foundation June 2025 Paper 1 Q6
6. Annie is buying a laptop.
She pays:
- 30% of the cost as a deposit
- the remaining amount in 20 equal monthly payments.
The laptop costs £800.
How much is each monthly payment? [4]
| Scheme | Marks | Comments |
|---|---|---|
| \(\left(\dfrac{100 - 30}{100} \times 800\right) \div 20\) oe | M3 | May be seen in stages. M2 for \(\dfrac{100 - 30}{100} \times 800\) (= 560) \(800 - \dfrac{30}{100} \times 800\) (= 560) M1 for \(\dfrac{30}{100} \times 800\) oe (= 240) |
| = 28 | A1 | CAO |
| (4) |
Alternative
Alternative method
| Scheme | Marks | Comments |
|---|---|---|
| \(\dfrac{800}{20} \times \dfrac{(100 - 30)}{100}\) oe | M3 | M2 for \(\dfrac{800}{20}\) AND \(\dfrac{800}{20} \times \dfrac{30}{100}\) (= 40 AND 12) M1 for \(\dfrac{800}{20} \times \dfrac{30}{100}\) (= 12) |
| = 28 | A1 | CAO |