A jar contains only red and blue marbles in a ratio of 8:7. If there are 56 blue marbles, how many red marbles are there?
Difficulty: Medium
About this MCQ
Medium SAT item. Correct choice: A. 64.
- A. 64 ✓
- B. 56
Why not B: “56” is not 64.
- C. 72
Why not C: “72” is not 64.
- D. 120
Why not D: “120” is not 64.
Correct answer
A. 64
Explanation
64 (option A) is the accepted answer to “A jar contains only red and blue marbles in a ratio of 8:7. If there are 56 blue marbles, how many red marbles are there”. Option B (56) is a different value from 64. Option C (72) is a different value from 64. Option D (120) is a different value from 64. Keep 64 as the SAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: SAT, Math, American Exams, Ratios
Submitted by: MCQsHub Editorial
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