Algebra-1

Question Analysis
This question tests the student's ability to simplify a given ratio. The problem provides a ratio of 15 blue marbles to 20 green marbles and asks for the simplified form of this ratio.

Key Concept Explanation
Simplifying a ratio involves finding the greatest common divisor (GCD) of the two numbers and then dividing both numbers by the GCD. The result is the simplified form of the ratio.

Step-by-step Solution
1. Identify the given ratio: 15 blue marbles to 20 green marbles.
2. Find the GCD of 15 and 20, which is 5.
3. Divide both the numerator and the denominator by the GCD: .
4. The simplified ...