The ratio of 30 feet to 60 feet is 30:60. Then you can simplify it by dividing each side by 30. Then, you get 1:2. The ratio is 1ft:2ft. Hope this helps! ;)
Info: Make a ratio for 30:60 Ratio: 30:60 You could leave this ratio as is, but it makes sense to simplify it: 30:60 can be divided by 30 on each side to get a simplified ratio of 1:2