-5.2, -4.75, -9/2
explanation
it just is

Notice that the second row is half the first, so the rows are dependent. This means there are infinitely many solutions to the system.
Answer:
Therefore, a ratio of 8/6 is an equivalent ratio of 4/3: in that particular ratio calculation, you should just multiply 4, as well as 3, by 2.
Step-by-step explanation:
I hope this helps! :D
2/15
4/5-2/3
convert so they have the same denominator
12/15-10/15
solve
2/15
You just add all the marbles which is 15 marbles. Then how many blue ones are there 3. So you just do blue out of the whole. So your answer is 3/15