Higher November 2019 Paper 3 Q9
9 The pie chart shows information about people at a theme park.
Not drawn accurately
There were 450 more women than men.
Work out the number of children. [3 marks]
| Answer | Mark | Comments |
|---|---|---|
| Alternative method 1 | ||
| \(\dfrac{450}{65 - 35}\) or \(\dfrac{450}{30}\) or 15 | M1 | oe |
| \((360 - 65 - 35) \times\) their 15 or \(260 \times\) their 15 | M1dep | oe M2 \(\dfrac{260}{30} \times 450\) or \(8.66(\ldots) \times 450\) or \(8.67 \times 450\) |
| 3900 | A1 | |
| Alternative method 2 | ||
| \(\dfrac{360}{65 - 35} \times 450\) or \(\dfrac{360}{30} \times 450\) or \(12 \times 450\) or 5400 | M1 | oe |
| \(\dfrac{360 - 65 - 35}{360} \times\) their 5400 or \(\dfrac{260}{360} \times\) their 5400 | M1dep | oe eg \(0.72(\ldots) \times\) their 5400 |
| 3900 | A1 | |
Additional guidance
| \(260 \div 30 = 8.6\) and \(8.6 \times 450\) fully correct working seen | M1M1A0 |