Foundation June 2025 Paper 2 Q8
8 Bottle A contains 1.5 litres of water and bottle B contains 100 millilitres of water.
Not to scale
Water is poured from bottle A into bottle B until both bottles contain the same amount.
How many millilitres of water are poured from bottle A into bottle B? [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 700 cao | 3 | Working in ml: B2 for 800 identifiable as the final amount of water in one or both bottles, may be without working OR M2 \(\dfrac{1500 + 100}{2} - 100\) or \(\dfrac{1500 - 100}{2}\) OR B1 for [1.5 l =] 1500 [ml] M1 for \(\dfrac{1500 + 100}{2}\) or \(\dfrac{\textit{figs}\ 15 + 100}{2}\) or for \(\dfrac{\textit{figs}\ 15 - 100}{2}\) or for at least two new correct pairs of values where A + B = their 1500 + 100 | Working in litres: B2 for answer of 0.7 or 0.8 identifiable as the final amount of water in one or both bottles, may be without working OR M2 \(\dfrac{1.5 + 0.1}{2} - 0.1\) or \(\dfrac{1.5 - 0.1}{2}\) OR B1 for [100 ml =] 0.1 [l] M1 for \(\dfrac{1.5 + 0.1}{2}\) or \(\dfrac{1.5 + \textit{figs}\ 1}{2}\) or for \(\dfrac{1.5 - \textit{figs}\ 1}{2}\) or for at least two new correct pairs of values where A + B = 1.5 + their 0.1 |