A jar contains only red and blue marbles in a ratio of 4:7. If there are 14 blue marbles, how many red marbles are there?
Difficulty: Medium
About this MCQ
Medium ACT item. Correct choice: A. 8.
- A. 8 ✓
- B. 14
Why not B: “14” is not 8.
- C. 12
Why not C: “12” is not 8.
- D. 22
Why not D: “22” is not 8.
Correct answer
A. 8
Explanation
8 (option A) is the accepted answer to “A jar contains only red and blue marbles in a ratio of 4:7. If there are 14 blue marbles, how many red marbles are there”. Option B (14) is a different value from 8. Option C (12) is a different value from 8. Option D (22) is a different value from 8. Keep 8 as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, ACT, Ratios
Submitted by: MCQsHub Editorial
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