Foundation November 2019 Paper 3 Q12
12 Cornflakes are sold in two sizes of box.
| Size of box | Weight of cornflakes |
|---|---|
| small | 450 g |
| large | 750 g |
Rae buys 3 small boxes of cornflakes and some large boxes of cornflakes.
In total she buys 5850 g of cornflakes.
Work out the number of large boxes of cornflakes Rae buys. (3)
| Answer | Mark | Mark scheme |
|---|---|---|
| 6 | P1 | process to find the weight of small boxes eg \(3 \times 450\ (=1350)\) |
| P1 | complete process to find the number of large boxes, eg \((5850 - \text{``}1350\text{''}) \div 750\) or \(5850 - \text{``}1350\text{''}\ (=4500)\) and \(6 \times 750\ (=4500)\) | |
| A1 | cao |
Additional guidance
For the A1: Cannot award this mark if 6 comes from a rounded value due to error in calculating