A jar contains only red and blue marbles in a ratio of 7:4. If there are 8 blue marbles, how many red marbles are there?
Difficulty: Medium
About this MCQ
Medium ACT item. Correct choice: A. 14.
- A. 14 ✓
- B. 22
Why not B: “22” is not 14.
- C. 8
Why not C: “8” is not 14.
- D. 21
Why not D: “21” is not 14.
Correct answer
A. 14
Explanation
14 (option A) is the accepted answer to “A jar contains only red and blue marbles in a ratio of 7:4. If there are 8 blue marbles, how many red marbles are there”. Option B (22) is a different value from 14. Option C (8) is a different value from 14. Option D (21) is a different value from 14. Keep 14 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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