Foundation November 2023 Paper 3 Q12
12
(a) Decrease 480 by 20%. [3]
(b) Alex buys a new phone with 10.5 Gb (Gigabytes) of data.
This is 40% more data than on Alex’s old phone.
Work out the amount of data Alex had on the old phone. [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 384 | 3 | M2 for [0].8 \(\times\) 480 oe or M1 for [0].2 \(\times\) 480 oe implied by 96 | 480 – ([0].2 \(\times\) 480) If non-calculator method, it must be a full method e.g. 10% = 48 20% = 96 480 – 96 = … or [10% =] \(480 \div 10 = a\) [20% =] \(a \times 2 = b\) \(480 - b =\) … |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 7.5 [Gb] | 3 | M2 for \(10.5 \div 1.4\) oe or B1 for 1.4 oe seen or 140% associated with 10.5 | For B1 allow fraction but not just 140% |