Hi there! :D The answer to your question is 47/30. The way I got it is because ratio means fractions or part of so it says skittles first so skittles go first and gummy bears go on the bottom so it is 47/30. Yummy! ;)
Hope I helped! =D
Let's use the distance formula:

So it is:
AB :

BC:

CA:

So 9.43 + 5 + 8 =22.43