4th time trying this question
The ratios 9:18, 12:24, 15:30, 18:36, and 21:42 form a pattern of equivalent ratios in the table below.
A multiplication table. In the row labeled 3, the numbers 9, 12, 15, 18, and 21 are highlighted. In the row labeled 6, the numbers 18, 24, 30, 36, and 42 are highlighted.
Which is another ratio in this pattern?
1:3
6:12
24:27
28:49