Foundation November 2017 Paper 3 Q6
6
(a) Lucy and Ben share £42.
Lucy’s share is £30.
Lucy’s share is £30.
Write the ratio Lucy’s share : Ben’s share in its simplest form. [2]
(b) The ratio 2.5 metres to 70 centimetres can be written in the form 1 : \(n\).
Find the value of \(n\). [2]
(c) Water flows at a steady rate from a tap.
It takes 50 seconds to fill a 5 litre watering can from this tap.
It takes 50 seconds to fill a 5 litre watering can from this tap.
The rate at which water flows from the tap is halved.
(i) Complete.
5 litres = …………… cm\(^3\) [1]
(ii) Find the rate at which the water is now flowing from the tap.
Give your answer in cubic centimetres per second (cm\(^3\)/s). [2]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 5 : 2 | 2 | B1 for 30 [:] 12 oe If 0 scored SC1 for 5 : 7 or 2 : 5 | Condone same units in ratios B1 for 15 : 6 or 10 : 4 or 2.5 : 1 or 1 : [0].4 may miss ratio signs |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| [0].28 | 2 | B1 for 250 or [0].7 seen or 2500 and 700 or figs 28 in answer If 0 scored SC1 for [1 : ] 3.57[1…] | Condone answer 1 : [0].28 for B2 |
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| (i) 5000 | 1 | ||
| (ii) 50 | 2 | M1 for their 5000 \(\div\) 2 \(\div\) 50 oe | |