A jar contains only red and blue marbles in a ratio of 2:8. If there are 64 blue marbles, how many red marbles are there?
Difficulty: Medium
About this MCQ
Medium ACT item. Correct choice: A. 16.
- A. 16 ✓
- B. 64
Why not B: “64” is not 16.
- C. 80
Why not C: “80” is not 16.
- D. 18
Why not D: “18” is not 16.
Correct answer
A. 16
Explanation
16 (option A) is the accepted answer to “A jar contains only red and blue marbles in a ratio of 2:8. If there are 64 blue marbles, how many red marbles are there”. Option B (64) is a different value from 16. Option C (80) is a different value from 16. Option D (18) is a different value from 16. Keep 16 as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, ACT, Ratios
Submitted by: MCQsHub Editorial
Related MCQs
- A triangle has a base of 20 and a height of 22. What is its area?
- A triangle has a base of 24 and a height of 4. What is its area?
- If 3x + 1 = 13, what is the value of x?
- If 6x + 18 = 54, what is the value of x?
- A car travels at 30 miles per hour. How far does it travel in 2 hours?
- What is the area of a circle with a radius of 8 units?