The ratio of "sunny to rainy" is 4:1. We read this out as "4 to 1".
For every 4 sunny days, there is 1 rainy day.
Rephrased: There are 4 times as many sunny days compared to rainy ones.
Here are a few examples
- 4 sunny, 1 rainy
- 8 sunny, 2 rainy
- 12 sunny, 3 rainy
- 16 sunny, 4 rainy