A jar contains only red and blue marbles in a ratio of 4:8. If there are 64 blue marbles, how many red marbles are there?
- A. 36
- B. 64
- C. 32 ✓
- D. 96
Correct answer
C. 32
Explanation
The ratio 4:8 means for every 8 blue marbles there are 4 red. 64 blue ÷ 8 = 8 groups, so red marbles = 4 × 8 = 32.
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