Foundation June 2024 Paper 1 Q11
11 Sam eats 30% of a 600 g pack of cereal every day.
Sam has no cereal left.
The cereal is no longer sold in 600 g packs.
Instead, the cereal is now sold in 400 g packs.
Sam wants to continue to eat the same amount of cereal every day.
Work out the minimum number of 400 g packs of cereal that Sam must buy to have enough for 7 days.
You must show your working. [5]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 4 with correct working | 5 | B4 for answer 3.15 or \(\dfrac{63}{20}\), \(3\dfrac{3}{20}\) or 6.6[6..] or 6.7 with correct working | “Correct working” requires evidence of at least M2 Condone for B4 answer of 3 following 3.15 |
| OR M3 for \(\dfrac{600 \times 0.3 \times 7}{400}\) oe or for \(400 \div 180 \times 3\) or for 1260 with both \(4 \times 400\) and \(3 \times 400\) | M3 and M2 may be seen in stages may be implied by 1260, 1600 and 1200 | ||
| OR M2 for \(600 \times 0.3 \times 7\) or for \(\dfrac{600 \times 0.3}{400}\) or for \(400 \div 180\) or for \(400 - 180 - 180\) or for both \(4 \times 400\) and \(3 \times 400\) | may be implied by 1260 or 0.45 may be implied by 2.2(22…) may be implied by 1600 and 1200 | ||
| OR M1 for \(600 \times 0.3\) or for \(0.3 \times 7\) or for \(\dfrac{600}{400}\) | may be implied by 180 may be implied by 2.1 may be implied by 1.5 | ||
| 0 or 1 scored, instead award SC2 for answer 4 with no or insufficient working If 0 scored, instead award SC1 for answer 3.15 with no or insufficient working | |||