4MA0 Higher January 2015 Paper 3R Q1
1 In a school, there is a total of 640 children.
The ratio of the number of girls to the number of boys is 7 : 9
How many boys are there in this school?
(2)
| Scheme | Marks |
|---|---|
| 640 ÷ (7 + 9) × 9 or 40 × 9 | M1 |
| 360 | A1 |
| (2 marks) |
Notes
A1: SCB1 for 280