The table shows pairs of values for x x\,x and yyy
| xxx | 6 | 10 |
|---|---|---|
| yyy | 72 | 120 |
Tick the correct statement below.
Write a formula for y y\,y in terms of xxx
164 exam-style questions on OCR GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.