Question

instructions

solve the following problem and choose the best answer.

question

there are 32 marbles in a jar. 12 of the marbles are red, and the rest of the marbles are blue. what is the ratio of red marbles to blue marbles in the jar?

3 to 5

1 to 2

1 to 3

3 to 8

Explanation:

Find the number of blue marbles

$$ \text{Blue marbles} = 32 - 12 = 20 $$

Write the ratio of red to blue marbles

$$ \text{Ratio} = 12 : 20 $$

Simplify the ratio

$$ \frac{12}{4} : \frac{20}{4} = 3 : 5 $$

Answer:

• (A) 3 to 5 (Correct answer)
• (B) 1 to 2
• (C) 1 to 3
• (D) 3 to 8