Foundation June 2017 Paper 2 Q18
18.
(a)
In Sumston, the current population is 320% of the population it was in 1983.
Naomi says
‘This is impossible, as it is over 100%.’
Explain how a value of 320% is possible. [1]
(b)
In 1967, the population of Timesville was 40 000.
In January 2017, the population of Timesville was 250 000.
Write the January 2017 population as a percentage of the 1967 population. [2]
| Scheme | Marks | Comments |
|---|---|---|
| explanation e.g. ‘population has increased’, ‘3(.2) times as many’, ‘just over 3 times as much’, ‘new population is 3.2 or (more than) 3 times the original population’, ‘320% means that the population has more than tripled’. | E1 |
| Scheme | Marks | Comments |
|---|---|---|
| 250000/40000 x 100 | M1 | B1 for an answer with the digits 6 2 5. |
| = 625 (%) | A1 | |
| (3) |