In a box there are only green marbles, yellow marbles and purple marbles. A marble is taken at random from the box.
The table shows the probability of getting a green marble.
| Colour | Green | Yellow | Purple |
|---|---|---|---|
| Probability | 0.4 |
the number of yellow marbles : the number of purple marbles = 1 : 4
Complete the table.
Practise AQA GCSE Maths Ratio with exam-style questions for Foundation and Higher tier. 93 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.