Foundation June 2019 Paper 1 Q5
5 There are 12 481 people at a concert.
8906 of these people are adults.
The rest of the people are children.
\(\dfrac{3}{5}\) of the children are boys.
Work out the number of girls at the concert.
(4)
| Scheme | Marks |
|---|---|
\(\dfrac{3}{5}\) × (12481 – 8906) (=2145) or \(1 - \dfrac{3}{5}\left(=\dfrac{2}{5}\right)\) and 12481 – 8906 (=3575) | M2 |
| 3575 – “2145” or \(\dfrac{2}{5}\) × “3575” | M1 |
| 1430 | A1 |
| (4) | |
| (4 marks) |
Notes
M2: If not M2 then award M1 for either 12481 – 8906 (=3575) or \(1 - \dfrac{3}{5}\left(=\dfrac{2}{5}\right)\)
M1: dep