Answer:
The answer to your question is 7:6
Explanation:
Data
Number of red marbles = 28
Number of green marbles = 30
Number of yellow marbles = 24
Radio = ?
Process
1.- Write the ratio
Red marbles : Yellow marbles
2.- Substitution
28 : 24
3.- Simplification
-Divide both terms by 2
14 : 12
-Divide by two both terms
7 : 6
-It is not possible to simplify more.