Foundation November 2022 Paper 1 Q19
19 Eve is counting the photos on her phone.
The ratio of the number of photos of her family to photos of her friends is 3 : 7.
She has 450 photos of her family.
80% of the photos of her friends include Jack.
Work out how many of the photos of her friends include Jack. [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 840 | 4 | M2 for \(\left(\dfrac{450}{3}\right) \times 7\) oe may be implied by 1050 or M1 for \(\dfrac{450}{3}\) oe may be implied by 150 M1 for their \(\left(\left(\dfrac{450}{3}\right) \times 7\right) \times 0.8\) | |