4MA0 Foundation June 2014 Paper 1R Q13
13 The water in a fish tank is treated by using 5 millilitres of AquaGuard for every 10 litres of water in the tank.
(a) Write down the ratio of the volume of AquaGuard used to the volume of water in the tank.
Give your answer in the form \(1 : n\) (2)
Give your answer in the form \(1 : n\) (2)
A tank contains 96 litres of water.
(b) Work out the volume of AquaGuard that should be used.
Give your answer in millilitres. (2)
Give your answer in millilitres. (2)
| Scheme | Marks |
|---|---|
| 5 : 10 000 or 0.005 : 10 | M1 |
| 1 : 2000 | A1 |
| (2) |
Notes
M1: ignore any units shown
| Scheme | Marks |
|---|---|
| \(\dfrac{96}{10} \times 5\) or \(\dfrac{1}{\text{“}2000\text{”}} \times 96(\times 1000)\) oe | M1 |
| 48 | A1 |
| (2) | |
| (Total 4 marks) |