Verify that the ratio 24:72 24 : 72\,24:72 is equivalent to 1:31 : 31:3.
In February, it rained on 37\displaystyle \frac{3}{7}73 of days
Verify that the ratio of the days it rained to the number of days it did not rain is 3:43 : 43:4.
249 exam-style questions on Eduqas GCSE Maths Writing and Simplifying Ratio. Each one has a worked solution and a mark scheme showing where the marks go.