4MA0 Foundation June 2013 Paper 2R Q15
15 There are 20 students in a class.
12 of the students are girls.
(a) Write 12 out of 20 as a fraction.
Give your fraction in its simplest form. (2)
Give your fraction in its simplest form. (2)
(b) Find the ratio of the number of girls to the number of boys.
Give your ratio in the form \(n : 1\) (2)
Give your ratio in the form \(n : 1\) (2)
| Scheme | Marks |
|---|---|
| \(\dfrac{12}{20}\) | M1 |
| \(\dfrac{3}{5}\) | A1 |
| (2) |
Notes
M1: for \(\dfrac{12}{20}\) or \(\dfrac{6}{10}\)
A1: cao
| Scheme | Marks |
|---|---|
| 12 : 8 oe | M1 |
| 1.5 oe | A1 |
| (2) |